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Finding the Fourth Proportional to 62,244.70, 93,354.90 and 20,691.70

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Solution

The fourth proportional to 62,244.70, 93,354.90 and 20,691.70 is: 31,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,244.70 : 93,354.90 = 20,691.70 : x
  2. Step 2: Convert to fraction form
    62,244.70/93,354.90 = 20,691.70/x
  3. Step 3: Cross multiply
    62,244.70x = 93,354.90 × 20,691.70
  4. Step 4: Simplify right side
    62,244.70x = 1,931,671,584.33
  5. Step 5: Solve for x
    x = 1,931,671,584.33/62,244.70
  6. Step 6: Final answer
    x = 31,033.51

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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.