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Finding the Fourth Proportional to 69,532.60, 104,260 and 22,781.56

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Solution

The fourth proportional to 69,532.60, 104,260 and 22,781.56 is: 34,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,532.60 : 104,260 = 22,781.56 : x
  2. Step 2: Convert to fraction form
    69,532.60/104,260 = 22,781.56/x
  3. Step 3: Cross multiply
    69,532.60x = 104,260 × 22,781.56
  4. Step 4: Simplify right side
    69,532.60x = 2,375,205,445.60
  5. Step 5: Solve for x
    x = 2,375,205,445.60/69,532.60
  6. Step 6: Final answer
    x = 34,159.59

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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.