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Finding the Fourth Proportional to 7,249.53, 10,872.53 and 2,318.15

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Solution

The fourth proportional to 7,249.53, 10,872.53 and 2,318.15 is: 3,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.53 : 10,872.53 = 2,318.15 : x
  2. Step 2: Convert to fraction form
    7,249.53/10,872.53 = 2,318.15/x
  3. Step 3: Cross multiply
    7,249.53x = 10,872.53 × 2,318.15
  4. Step 4: Simplify right side
    7,249.53x = 25,204,179.70
  5. Step 5: Solve for x
    x = 25,204,179.70/7,249.53
  6. Step 6: Final answer
    x = 3,476.66

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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.