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Finding the Fourth Proportional to 8,560.85, 12,841.11 and 2,717.46

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Solution

The fourth proportional to 8,560.85, 12,841.11 and 2,717.46 is: 4,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.85 : 12,841.11 = 2,717.46 : x
  2. Step 2: Convert to fraction form
    8,560.85/12,841.11 = 2,717.46/x
  3. Step 3: Cross multiply
    8,560.85x = 12,841.11 × 2,717.46
  4. Step 4: Simplify right side
    8,560.85x = 34,895,202.78
  5. Step 5: Solve for x
    x = 34,895,202.78/8,560.85
  6. Step 6: Final answer
    x = 4,076.14

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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.