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Finding the Fourth Proportional to 69,691.10, 104,543.54 and 22,294.28

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Solution

The fourth proportional to 69,691.10, 104,543.54 and 22,294.28 is: 33,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,691.10 : 104,543.54 = 22,294.28 : x
  2. Step 2: Convert to fraction form
    69,691.10/104,543.54 = 22,294.28/x
  3. Step 3: Cross multiply
    69,691.10x = 104,543.54 × 22,294.28
  4. Step 4: Simplify right side
    69,691.10x = 2,330,722,841.48
  5. Step 5: Solve for x
    x = 2,330,722,841.48/69,691.10
  6. Step 6: Final answer
    x = 33,443.62

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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.