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Finding the Fourth Proportional to 8,244.78, 12,354.20 and 6,375.24

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Solution

The fourth proportional to 8,244.78, 12,354.20 and 6,375.24 is: 9,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.78 : 12,354.20 = 6,375.24 : x
  2. Step 2: Convert to fraction form
    8,244.78/12,354.20 = 6,375.24/x
  3. Step 3: Cross multiply
    8,244.78x = 12,354.20 × 6,375.24
  4. Step 4: Simplify right side
    8,244.78x = 78,760,958.13
  5. Step 5: Solve for x
    x = 78,760,958.13/8,244.78
  6. Step 6: Final answer
    x = 9,552.83

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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.