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Finding the Fourth Proportional to 8,560.68, 12,844.68 and 2,717.76

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Solution

The fourth proportional to 8,560.68, 12,844.68 and 2,717.76 is: 4,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.68 : 12,844.68 = 2,717.76 : x
  2. Step 2: Convert to fraction form
    8,560.68/12,844.68 = 2,717.76/x
  3. Step 3: Cross multiply
    8,560.68x = 12,844.68 × 2,717.76
  4. Step 4: Simplify right side
    8,560.68x = 34,908,757.52
  5. Step 5: Solve for x
    x = 34,908,757.52/8,560.68
  6. Step 6: Final answer
    x = 4,077.80

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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.