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Finding the Fourth Proportional to 4,687.62, 6,469.14 and 2,591.88

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Solution

The fourth proportional to 4,687.62, 6,469.14 and 2,591.88 is: 3,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.62 : 6,469.14 = 2,591.88 : x
  2. Step 2: Convert to fraction form
    4,687.62/6,469.14 = 2,591.88/x
  3. Step 3: Cross multiply
    4,687.62x = 6,469.14 × 2,591.88
  4. Step 4: Simplify right side
    4,687.62x = 16,767,234.58
  5. Step 5: Solve for x
    x = 16,767,234.58/4,687.62
  6. Step 6: Final answer
    x = 3,576.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.