To round 41611.44954 to the nearest thousandth, follow these steps:
Identify the thousandth place: In the number 41611.44954, the thousandth place is the third digit after the decimal point, which is 9.
Look at the ten-thousandth place: The digit in the ten-thousandth place (the fourth digit after the decimal point) is 5.
Apply rounding rules: Since the digit in the ten-thousandth place (5) is greater than or equal to 5, you round the thousandth place up by 1.
Final rounded result: The thousandth place (9) becomes 5, so the number rounds to 41611.45
Thus, 41611.44954 rounded to the nearest thousandth is 41611.45