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Finding the Fourth Proportional to 22,385.55, 33,575.70 and 5,745.70

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Solution

The fourth proportional to 22,385.55, 33,575.70 and 5,745.70 is: 8,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.55 : 33,575.70 = 5,745.70 : x
  2. Step 2: Convert to fraction form
    22,385.55/33,575.70 = 5,745.70/x
  3. Step 3: Cross multiply
    22,385.55x = 33,575.70 × 5,745.70
  4. Step 4: Simplify right side
    22,385.55x = 192,915,899.49
  5. Step 5: Solve for x
    x = 192,915,899.49/22,385.55
  6. Step 6: Final answer
    x = 8,617.88

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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.