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Finding the Fourth Proportional to 22,255.80, 33,381.54 and 5,839.80

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Solution

The fourth proportional to 22,255.80, 33,381.54 and 5,839.80 is: 8,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.80 : 33,381.54 = 5,839.80 : x
  2. Step 2: Convert to fraction form
    22,255.80/33,381.54 = 5,839.80/x
  3. Step 3: Cross multiply
    22,255.80x = 33,381.54 × 5,839.80
  4. Step 4: Simplify right side
    22,255.80x = 194,941,517.29
  5. Step 5: Solve for x
    x = 194,941,517.29/22,255.80
  6. Step 6: Final answer
    x = 8,759.13

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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.