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Finding the Fourth Proportional to 44,747.62, 67,123.47 and 31,658.50

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Solution

The fourth proportional to 44,747.62, 67,123.47 and 31,658.50 is: 47,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,747.62 : 67,123.47 = 31,658.50 : x
  2. Step 2: Convert to fraction form
    44,747.62/67,123.47 = 31,658.50/x
  3. Step 3: Cross multiply
    44,747.62x = 67,123.47 × 31,658.50
  4. Step 4: Simplify right side
    44,747.62x = 2,125,028,375.00
  5. Step 5: Solve for x
    x = 2,125,028,375.00/44,747.62
  6. Step 6: Final answer
    x = 47,489.19

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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.