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Finding the Fourth Proportional to 5,472.72, 8,214.54 and 2,553.08

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Solution

The fourth proportional to 5,472.72, 8,214.54 and 2,553.08 is: 3,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.72 : 8,214.54 = 2,553.08 : x
  2. Step 2: Convert to fraction form
    5,472.72/8,214.54 = 2,553.08/x
  3. Step 3: Cross multiply
    5,472.72x = 8,214.54 × 2,553.08
  4. Step 4: Simplify right side
    5,472.72x = 20,972,377.78
  5. Step 5: Solve for x
    x = 20,972,377.78/5,472.72
  6. Step 6: Final answer
    x = 3,832.17

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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.