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Finding the Fourth Proportional to 8,337.38, 12,508.56 and 4,826.57

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Solution

The fourth proportional to 8,337.38, 12,508.56 and 4,826.57 is: 7,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.38 : 12,508.56 = 4,826.57 : x
  2. Step 2: Convert to fraction form
    8,337.38/12,508.56 = 4,826.57/x
  3. Step 3: Cross multiply
    8,337.38x = 12,508.56 × 4,826.57
  4. Step 4: Simplify right side
    8,337.38x = 60,373,377.90
  5. Step 5: Solve for x
    x = 60,373,377.90/8,337.38
  6. Step 6: Final answer
    x = 7,241.29

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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.