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Finding the Fourth Proportional to 7,996.38, 11,993.22 and 2,151.69

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Solution

The fourth proportional to 7,996.38, 11,993.22 and 2,151.69 is: 3,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.38 : 11,993.22 = 2,151.69 : x
  2. Step 2: Convert to fraction form
    7,996.38/11,993.22 = 2,151.69/x
  3. Step 3: Cross multiply
    7,996.38x = 11,993.22 × 2,151.69
  4. Step 4: Simplify right side
    7,996.38x = 25,805,691.54
  5. Step 5: Solve for x
    x = 25,805,691.54/7,996.38
  6. Step 6: Final answer
    x = 3,227.17

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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.