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Finding the Fourth Proportional to 22,057.20, 33,114.60 and 17,679.60

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Solution

The fourth proportional to 22,057.20, 33,114.60 and 17,679.60 is: 26,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.20 : 33,114.60 = 17,679.60 : x
  2. Step 2: Convert to fraction form
    22,057.20/33,114.60 = 17,679.60/x
  3. Step 3: Cross multiply
    22,057.20x = 33,114.60 × 17,679.60
  4. Step 4: Simplify right side
    22,057.20x = 585,452,882.16
  5. Step 5: Solve for x
    x = 585,452,882.16/22,057.20
  6. Step 6: Final answer
    x = 26,542.48

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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.