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Finding the Fourth Proportional to 34,787.14, 52,179.94 and 8,491.80

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Solution

The fourth proportional to 34,787.14, 52,179.94 and 8,491.80 is: 12,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,787.14 : 52,179.94 = 8,491.80 : x
  2. Step 2: Convert to fraction form
    34,787.14/52,179.94 = 8,491.80/x
  3. Step 3: Cross multiply
    34,787.14x = 52,179.94 × 8,491.80
  4. Step 4: Simplify right side
    34,787.14x = 443,101,614.49
  5. Step 5: Solve for x
    x = 443,101,614.49/34,787.14
  6. Step 6: Final answer
    x = 12,737.51

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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.