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Finding the Fourth Proportional to 7,587.72, 11,381.58 and 2,394

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Solution

The fourth proportional to 7,587.72, 11,381.58 and 2,394 is: 3,591

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.72 : 11,381.58 = 2,394 : x
  2. Step 2: Convert to fraction form
    7,587.72/11,381.58 = 2,394/x
  3. Step 3: Cross multiply
    7,587.72x = 11,381.58 × 2,394
  4. Step 4: Simplify right side
    7,587.72x = 27,247,502.52
  5. Step 5: Solve for x
    x = 27,247,502.52/7,587.72
  6. Step 6: Final answer
    x = 3,591

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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.