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Finding the Fourth Proportional to 22,255.30, 33,380.79 and 5,839.30

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Solution

The fourth proportional to 22,255.30, 33,380.79 and 5,839.30 is: 8,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.30 : 33,380.79 = 5,839.30 : x
  2. Step 2: Convert to fraction form
    22,255.30/33,380.79 = 5,839.30/x
  3. Step 3: Cross multiply
    22,255.30x = 33,380.79 × 5,839.30
  4. Step 4: Simplify right side
    22,255.30x = 194,920,447.05
  5. Step 5: Solve for x
    x = 194,920,447.05/22,255.30
  6. Step 6: Final answer
    x = 8,758.38

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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.