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Finding the Fourth Proportional to 22,772.26, 33,932.01 and 20,287.99

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Solution

The fourth proportional to 22,772.26, 33,932.01 and 20,287.99 is: 30,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.26 : 33,932.01 = 20,287.99 : x
  2. Step 2: Convert to fraction form
    22,772.26/33,932.01 = 20,287.99/x
  3. Step 3: Cross multiply
    22,772.26x = 33,932.01 × 20,287.99
  4. Step 4: Simplify right side
    22,772.26x = 688,412,194.73
  5. Step 5: Solve for x
    x = 688,412,194.73/22,772.26
  6. Step 6: Final answer
    x = 30,230.30

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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.