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Finding the Fourth Proportional to 8,493.72, 12,733.87 and 5,367.12

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Solution

The fourth proportional to 8,493.72, 12,733.87 and 5,367.12 is: 8,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.72 : 12,733.87 = 5,367.12 : x
  2. Step 2: Convert to fraction form
    8,493.72/12,733.87 = 5,367.12/x
  3. Step 3: Cross multiply
    8,493.72x = 12,733.87 × 5,367.12
  4. Step 4: Simplify right side
    8,493.72x = 68,344,208.35
  5. Step 5: Solve for x
    x = 68,344,208.35/8,493.72
  6. Step 6: Final answer
    x = 8,046.44

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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.