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Finding the Fourth Proportional to 22,151.80, 33,086.48 and 20,040.19

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Solution

The fourth proportional to 22,151.80, 33,086.48 and 20,040.19 is: 29,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.80 : 33,086.48 = 20,040.19 : x
  2. Step 2: Convert to fraction form
    22,151.80/33,086.48 = 20,040.19/x
  3. Step 3: Cross multiply
    22,151.80x = 33,086.48 × 20,040.19
  4. Step 4: Simplify right side
    22,151.80x = 663,059,348.83
  5. Step 5: Solve for x
    x = 663,059,348.83/22,151.80
  6. Step 6: Final answer
    x = 29,932.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.