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Finding the Fourth Proportional to 8,591.55, 12,883.26 and 3,329.03

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Solution

The fourth proportional to 8,591.55, 12,883.26 and 3,329.03 is: 4,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.55 : 12,883.26 = 3,329.03 : x
  2. Step 2: Convert to fraction form
    8,591.55/12,883.26 = 3,329.03/x
  3. Step 3: Cross multiply
    8,591.55x = 12,883.26 × 3,329.03
  4. Step 4: Simplify right side
    8,591.55x = 42,888,694.62
  5. Step 5: Solve for x
    x = 42,888,694.62/8,591.55
  6. Step 6: Final answer
    x = 4,991.96

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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.