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Finding the Fourth Proportional to 62,689.52, 86,552.07 and 38,841.50

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Solution

The fourth proportional to 62,689.52, 86,552.07 and 38,841.50 is: 53,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.52 : 86,552.07 = 38,841.50 : x
  2. Step 2: Convert to fraction form
    62,689.52/86,552.07 = 38,841.50/x
  3. Step 3: Cross multiply
    62,689.52x = 86,552.07 × 38,841.50
  4. Step 4: Simplify right side
    62,689.52x = 3,361,812,226.91
  5. Step 5: Solve for x
    x = 3,361,812,226.91/62,689.52
  6. Step 6: Final answer
    x = 53,626.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.