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Finding the Fourth Proportional to 8,248.59, 12,372.90 and 3,631.59

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Solution

The fourth proportional to 8,248.59, 12,372.90 and 3,631.59 is: 5,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.59 : 12,372.90 = 3,631.59 : x
  2. Step 2: Convert to fraction form
    8,248.59/12,372.90 = 3,631.59/x
  3. Step 3: Cross multiply
    8,248.59x = 12,372.90 × 3,631.59
  4. Step 4: Simplify right side
    8,248.59x = 44,933,299.91
  5. Step 5: Solve for x
    x = 44,933,299.91/8,248.59
  6. Step 6: Final answer
    x = 5,447.39

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1.5x scale

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.