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Finding the Fourth Proportional to 31,174.56, 46,761.84 and 15,588.54

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Solution

The fourth proportional to 31,174.56, 46,761.84 and 15,588.54 is: 23,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.56 : 46,761.84 = 15,588.54 : x
  2. Step 2: Convert to fraction form
    31,174.56/46,761.84 = 15,588.54/x
  3. Step 3: Cross multiply
    31,174.56x = 46,761.84 × 15,588.54
  4. Step 4: Simplify right side
    31,174.56x = 728,948,813.31
  5. Step 5: Solve for x
    x = 728,948,813.31/31,174.56
  6. Step 6: Final answer
    x = 23,382.81

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