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Finding the Fourth Proportional to 17,691.56, 26,541.66 and 7,306.28

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Solution

The fourth proportional to 17,691.56, 26,541.66 and 7,306.28 is: 10,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.56 : 26,541.66 = 7,306.28 : x
  2. Step 2: Convert to fraction form
    17,691.56/26,541.66 = 7,306.28/x
  3. Step 3: Cross multiply
    17,691.56x = 26,541.66 × 7,306.28
  4. Step 4: Simplify right side
    17,691.56x = 193,920,799.62
  5. Step 5: Solve for x
    x = 193,920,799.62/17,691.56
  6. Step 6: Final answer
    x = 10,961.20

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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.