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Finding the Fourth Proportional to 62,545.68, 93,737.16 and 47,700

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Solution

The fourth proportional to 62,545.68, 93,737.16 and 47,700 is: 71,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,545.68 : 93,737.16 = 47,700 : x
  2. Step 2: Convert to fraction form
    62,545.68/93,737.16 = 47,700/x
  3. Step 3: Cross multiply
    62,545.68x = 93,737.16 × 47,700
  4. Step 4: Simplify right side
    62,545.68x = 4,471,262,532
  5. Step 5: Solve for x
    x = 4,471,262,532/62,545.68
  6. Step 6: Final answer
    x = 71,487.95

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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.