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Finding the Fourth Proportional to 63,174.62, 94,761.54 and 15,789.47

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Solution

The fourth proportional to 63,174.62, 94,761.54 and 15,789.47 is: 23,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,174.62 : 94,761.54 = 15,789.47 : x
  2. Step 2: Convert to fraction form
    63,174.62/94,761.54 = 15,789.47/x
  3. Step 3: Cross multiply
    63,174.62x = 94,761.54 × 15,789.47
  4. Step 4: Simplify right side
    63,174.62x = 1,496,234,769.36
  5. Step 5: Solve for x
    x = 1,496,234,769.36/63,174.62
  6. Step 6: Final answer
    x = 23,684.11

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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.