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Finding the Fourth Proportional to 8,882.31, 12,257.28 and 5,344.85

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Solution

The fourth proportional to 8,882.31, 12,257.28 and 5,344.85 is: 7,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.31 : 12,257.28 = 5,344.85 : x
  2. Step 2: Convert to fraction form
    8,882.31/12,257.28 = 5,344.85/x
  3. Step 3: Cross multiply
    8,882.31x = 12,257.28 × 5,344.85
  4. Step 4: Simplify right side
    8,882.31x = 65,513,261.72
  5. Step 5: Solve for x
    x = 65,513,261.72/8,882.31
  6. Step 6: Final answer
    x = 7,375.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.