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Finding the Fourth Proportional to 22,819.79, 34,234.95 and 9,672.68

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Solution

The fourth proportional to 22,819.79, 34,234.95 and 9,672.68 is: 14,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.79 : 34,234.95 = 9,672.68 : x
  2. Step 2: Convert to fraction form
    22,819.79/34,234.95 = 9,672.68/x
  3. Step 3: Cross multiply
    22,819.79x = 34,234.95 × 9,672.68
  4. Step 4: Simplify right side
    22,819.79x = 331,143,716.17
  5. Step 5: Solve for x
    x = 331,143,716.17/22,819.79
  6. Step 6: Final answer
    x = 14,511.25

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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.