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Finding the Fourth Proportional to 22,911.28, 34,375.44 and 7,330.12

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Solution

The fourth proportional to 22,911.28, 34,375.44 and 7,330.12 is: 10,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.28 : 34,375.44 = 7,330.12 : x
  2. Step 2: Convert to fraction form
    22,911.28/34,375.44 = 7,330.12/x
  3. Step 3: Cross multiply
    22,911.28x = 34,375.44 × 7,330.12
  4. Step 4: Simplify right side
    22,911.28x = 251,976,100.25
  5. Step 5: Solve for x
    x = 251,976,100.25/22,911.28
  6. Step 6: Final answer
    x = 10,997.91

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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.