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Finding the Fourth Proportional to 8,591.71, 12,883.91 and 3,046.45

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Solution

The fourth proportional to 8,591.71, 12,883.91 and 3,046.45 is: 4,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.71 : 12,883.91 = 3,046.45 : x
  2. Step 2: Convert to fraction form
    8,591.71/12,883.91 = 3,046.45/x
  3. Step 3: Cross multiply
    8,591.71x = 12,883.91 × 3,046.45
  4. Step 4: Simplify right side
    8,591.71x = 39,250,123.20
  5. Step 5: Solve for x
    x = 39,250,123.20/8,591.71
  6. Step 6: Final answer
    x = 4,568.37

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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.