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Finding the Fourth Proportional to 31,542.91, 47,174.91 and 28,057.39

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Solution

The fourth proportional to 31,542.91, 47,174.91 and 28,057.39 is: 41,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.91 : 47,174.91 = 28,057.39 : x
  2. Step 2: Convert to fraction form
    31,542.91/47,174.91 = 28,057.39/x
  3. Step 3: Cross multiply
    31,542.91x = 47,174.91 × 28,057.39
  4. Step 4: Simplify right side
    31,542.91x = 1,323,604,848.08
  5. Step 5: Solve for x
    x = 1,323,604,848.08/31,542.91
  6. Step 6: Final answer
    x = 41,962.04

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