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Finding the Fourth Proportional to 8,442.44, 12,663.52 and 3,249.44

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Solution

The fourth proportional to 8,442.44, 12,663.52 and 3,249.44 is: 4,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.44 : 12,663.52 = 3,249.44 : x
  2. Step 2: Convert to fraction form
    8,442.44/12,663.52 = 3,249.44/x
  3. Step 3: Cross multiply
    8,442.44x = 12,663.52 × 3,249.44
  4. Step 4: Simplify right side
    8,442.44x = 41,149,348.43
  5. Step 5: Solve for x
    x = 41,149,348.43/8,442.44
  6. Step 6: Final answer
    x = 4,874.11

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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.