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Finding the Fourth Proportional to 5,500.76, 7,591.02 and 2,982.85

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Solution

The fourth proportional to 5,500.76, 7,591.02 and 2,982.85 is: 4,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.76 : 7,591.02 = 2,982.85 : x
  2. Step 2: Convert to fraction form
    5,500.76/7,591.02 = 2,982.85/x
  3. Step 3: Cross multiply
    5,500.76x = 7,591.02 × 2,982.85
  4. Step 4: Simplify right side
    5,500.76x = 22,642,855.03
  5. Step 5: Solve for x
    x = 22,642,855.03/5,500.76
  6. Step 6: Final answer
    x = 4,116.31

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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.