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Finding the Fourth Proportional to 22,092.80, 33,194.56 and 20,764.20

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Solution

The fourth proportional to 22,092.80, 33,194.56 and 20,764.20 is: 31,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,092.80 : 33,194.56 = 20,764.20 : x
  2. Step 2: Convert to fraction form
    22,092.80/33,194.56 = 20,764.20/x
  3. Step 3: Cross multiply
    22,092.80x = 33,194.56 × 20,764.20
  4. Step 4: Simplify right side
    22,092.80x = 689,258,212.96
  5. Step 5: Solve for x
    x = 689,258,212.96/22,092.80
  6. Step 6: Final answer
    x = 31,198.32

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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.