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Finding the Fourth Proportional to 22,750.62, 34,124.22 and 8,711.89

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Solution

The fourth proportional to 22,750.62, 34,124.22 and 8,711.89 is: 13,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.62 : 34,124.22 = 8,711.89 : x
  2. Step 2: Convert to fraction form
    22,750.62/34,124.22 = 8,711.89/x
  3. Step 3: Cross multiply
    22,750.62x = 34,124.22 × 8,711.89
  4. Step 4: Simplify right side
    22,750.62x = 297,286,450.98
  5. Step 5: Solve for x
    x = 297,286,450.98/22,750.62
  6. Step 6: Final answer
    x = 13,067.18

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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.