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Finding the Fourth Proportional to 22,146.92, 33,213.90 and 18,241.64

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Solution

The fourth proportional to 22,146.92, 33,213.90 and 18,241.64 is: 27,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.92 : 33,213.90 = 18,241.64 : x
  2. Step 2: Convert to fraction form
    22,146.92/33,213.90 = 18,241.64/x
  3. Step 3: Cross multiply
    22,146.92x = 33,213.90 × 18,241.64
  4. Step 4: Simplify right side
    22,146.92x = 605,876,006.80
  5. Step 5: Solve for x
    x = 605,876,006.80/22,146.92
  6. Step 6: Final answer
    x = 27,357.12

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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.