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Finding the Fourth Proportional to 38,644.56, 57,908.52 and 30,304.80

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Solution

The fourth proportional to 38,644.56, 57,908.52 and 30,304.80 is: 45,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.56 : 57,908.52 = 30,304.80 : x
  2. Step 2: Convert to fraction form
    38,644.56/57,908.52 = 30,304.80/x
  3. Step 3: Cross multiply
    38,644.56x = 57,908.52 × 30,304.80
  4. Step 4: Simplify right side
    38,644.56x = 1,754,906,116.90
  5. Step 5: Solve for x
    x = 1,754,906,116.90/38,644.56
  6. Step 6: Final answer
    x = 45,411.47

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