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Finding the Fourth Proportional to 29,250.32, 43,876.44 and 8,474

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Solution

The fourth proportional to 29,250.32, 43,876.44 and 8,474 is: 12,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.32 : 43,876.44 = 8,474 : x
  2. Step 2: Convert to fraction form
    29,250.32/43,876.44 = 8,474/x
  3. Step 3: Cross multiply
    29,250.32x = 43,876.44 × 8,474
  4. Step 4: Simplify right side
    29,250.32x = 371,808,952.56
  5. Step 5: Solve for x
    x = 371,808,952.56/29,250.32
  6. Step 6: Final answer
    x = 12,711.28

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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.