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Finding the Fourth Proportional to 33,520.78, 50,281.13 and 8,560.85

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Solution

The fourth proportional to 33,520.78, 50,281.13 and 8,560.85 is: 12,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.78 : 50,281.13 = 8,560.85 : x
  2. Step 2: Convert to fraction form
    33,520.78/50,281.13 = 8,560.85/x
  3. Step 3: Cross multiply
    33,520.78x = 50,281.13 × 8,560.85
  4. Step 4: Simplify right side
    33,520.78x = 430,449,211.76
  5. Step 5: Solve for x
    x = 430,449,211.76/33,520.78
  6. Step 6: Final answer
    x = 12,841.26

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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.