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Finding the Fourth Proportional to 6,591.35, 9,881.61 and 3,079.62

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Solution

The fourth proportional to 6,591.35, 9,881.61 and 3,079.62 is: 4,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.35 : 9,881.61 = 3,079.62 : x
  2. Step 2: Convert to fraction form
    6,591.35/9,881.61 = 3,079.62/x
  3. Step 3: Cross multiply
    6,591.35x = 9,881.61 × 3,079.62
  4. Step 4: Simplify right side
    6,591.35x = 30,431,596.57
  5. Step 5: Solve for x
    x = 30,431,596.57/6,591.35
  6. Step 6: Final answer
    x = 4,616.90

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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.