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Finding the Fourth Proportional to 7,249.62, 10,874.82 and 3,553.58

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Solution

The fourth proportional to 7,249.62, 10,874.82 and 3,553.58 is: 5,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.62 : 10,874.82 = 3,553.58 : x
  2. Step 2: Convert to fraction form
    7,249.62/10,874.82 = 3,553.58/x
  3. Step 3: Cross multiply
    7,249.62x = 10,874.82 × 3,553.58
  4. Step 4: Simplify right side
    7,249.62x = 38,644,542.86
  5. Step 5: Solve for x
    x = 38,644,542.86/7,249.62
  6. Step 6: Final answer
    x = 5,330.56

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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.