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Finding the Fourth Proportional to 22,306.60, 33,454.50 and 7,511.68

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Solution

The fourth proportional to 22,306.60, 33,454.50 and 7,511.68 is: 11,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.60 : 33,454.50 = 7,511.68 : x
  2. Step 2: Convert to fraction form
    22,306.60/33,454.50 = 7,511.68/x
  3. Step 3: Cross multiply
    22,306.60x = 33,454.50 × 7,511.68
  4. Step 4: Simplify right side
    22,306.60x = 251,299,498.56
  5. Step 5: Solve for x
    x = 251,299,498.56/22,306.60
  6. Step 6: Final answer
    x = 11,265.70

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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.