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Finding the Fourth Proportional to 62,463.10, 93,694.65 and 20,910.10

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Solution

The fourth proportional to 62,463.10, 93,694.65 and 20,910.10 is: 31,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,463.10 : 93,694.65 = 20,910.10 : x
  2. Step 2: Convert to fraction form
    62,463.10/93,694.65 = 20,910.10/x
  3. Step 3: Cross multiply
    62,463.10x = 93,694.65 × 20,910.10
  4. Step 4: Simplify right side
    62,463.10x = 1,959,164,500.97
  5. Step 5: Solve for x
    x = 1,959,164,500.97/62,463.10
  6. Step 6: Final answer
    x = 31,365.15

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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.