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Finding the Fourth Proportional to 7,520.72, 11,282.16 and 2,327

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Solution

The fourth proportional to 7,520.72, 11,282.16 and 2,327 is: 3,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.72 : 11,282.16 = 2,327 : x
  2. Step 2: Convert to fraction form
    7,520.72/11,282.16 = 2,327/x
  3. Step 3: Cross multiply
    7,520.72x = 11,282.16 × 2,327
  4. Step 4: Simplify right side
    7,520.72x = 26,253,586.32
  5. Step 5: Solve for x
    x = 26,253,586.32/7,520.72
  6. Step 6: Final answer
    x = 3,490.83

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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.