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Finding the Fourth Proportional to 7,249.70, 10,874.55 and 6,299.30

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Solution

The fourth proportional to 7,249.70, 10,874.55 and 6,299.30 is: 9,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.70 : 10,874.55 = 6,299.30 : x
  2. Step 2: Convert to fraction form
    7,249.70/10,874.55 = 6,299.30/x
  3. Step 3: Cross multiply
    7,249.70x = 10,874.55 × 6,299.30
  4. Step 4: Simplify right side
    7,249.70x = 68,502,052.82
  5. Step 5: Solve for x
    x = 68,502,052.82/7,249.70
  6. Step 6: Final answer
    x = 9,448.95

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Similar ratio
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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.