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Finding the Fourth Proportional to 8,269.71, 12,404.97 and 3,338.73

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Solution

The fourth proportional to 8,269.71, 12,404.97 and 3,338.73 is: 5,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.71 : 12,404.97 = 3,338.73 : x
  2. Step 2: Convert to fraction form
    8,269.71/12,404.97 = 3,338.73/x
  3. Step 3: Cross multiply
    8,269.71x = 12,404.97 × 3,338.73
  4. Step 4: Simplify right side
    8,269.71x = 41,416,845.49
  5. Step 5: Solve for x
    x = 41,416,845.49/8,269.71
  6. Step 6: Final answer
    x = 5,008.26

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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.