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Finding the Fourth Proportional to 15,132.69, 22,691.22 and 6,805.62

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Solution

The fourth proportional to 15,132.69, 22,691.22 and 6,805.62 is: 10,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.69 : 22,691.22 = 6,805.62 : x
  2. Step 2: Convert to fraction form
    15,132.69/22,691.22 = 6,805.62/x
  3. Step 3: Cross multiply
    15,132.69x = 22,691.22 × 6,805.62
  4. Step 4: Simplify right side
    15,132.69x = 154,427,820.66
  5. Step 5: Solve for x
    x = 154,427,820.66/15,132.69
  6. Step 6: Final answer
    x = 10,204.92

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1.5x scale

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.