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Finding the Fourth Proportional to 62,524, 93,800.92 and 20,404.16

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Solution

The fourth proportional to 62,524, 93,800.92 and 20,404.16 is: 30,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,524 : 93,800.92 = 20,404.16 : x
  2. Step 2: Convert to fraction form
    62,524/93,800.92 = 20,404.16/x
  3. Step 3: Cross multiply
    62,524x = 93,800.92 × 20,404.16
  4. Step 4: Simplify right side
    62,524x = 1,913,928,979.83
  5. Step 5: Solve for x
    x = 1,913,928,979.83/62,524
  6. Step 6: Final answer
    x = 30,611.11

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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.