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Finding the Fourth Proportional to 62,347.80, 93,522.06 and 20,794.68

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Solution

The fourth proportional to 62,347.80, 93,522.06 and 20,794.68 is: 31,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,347.80 : 93,522.06 = 20,794.68 : x
  2. Step 2: Convert to fraction form
    62,347.80/93,522.06 = 20,794.68/x
  3. Step 3: Cross multiply
    62,347.80x = 93,522.06 × 20,794.68
  4. Step 4: Simplify right side
    62,347.80x = 1,944,761,310.64
  5. Step 5: Solve for x
    x = 1,944,761,310.64/62,347.80
  6. Step 6: Final answer
    x = 31,192.14

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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.