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Finding the Fourth Proportional to 62,469, 93,713.24 and 20,339.13

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Solution

The fourth proportional to 62,469, 93,713.24 and 20,339.13 is: 30,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,469 : 93,713.24 = 20,339.13 : x
  2. Step 2: Convert to fraction form
    62,469/93,713.24 = 20,339.13/x
  3. Step 3: Cross multiply
    62,469x = 93,713.24 × 20,339.13
  4. Step 4: Simplify right side
    62,469x = 1,906,046,173.35
  5. Step 5: Solve for x
    x = 1,906,046,173.35/62,469
  6. Step 6: Final answer
    x = 30,511.87

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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.