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Finding the Fourth Proportional to 11,472.52, 17,179.62 and 7,565.08

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Solution

The fourth proportional to 11,472.52, 17,179.62 and 7,565.08 is: 11,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.52 : 17,179.62 = 7,565.08 : x
  2. Step 2: Convert to fraction form
    11,472.52/17,179.62 = 7,565.08/x
  3. Step 3: Cross multiply
    11,472.52x = 17,179.62 × 7,565.08
  4. Step 4: Simplify right side
    11,472.52x = 129,965,199.67
  5. Step 5: Solve for x
    x = 129,965,199.67/11,472.52
  6. Step 6: Final answer
    x = 11,328.39

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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.