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Finding the Fourth Proportional to 63,902.32, 95,747.54 and 38,866.64

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Solution

The fourth proportional to 63,902.32, 95,747.54 and 38,866.64 is: 58,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,902.32 : 95,747.54 = 38,866.64 : x
  2. Step 2: Convert to fraction form
    63,902.32/95,747.54 = 38,866.64/x
  3. Step 3: Cross multiply
    63,902.32x = 95,747.54 × 38,866.64
  4. Step 4: Simplify right side
    63,902.32x = 3,721,384,822.93
  5. Step 5: Solve for x
    x = 3,721,384,822.93/63,902.32
  6. Step 6: Final answer
    x = 58,235.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.