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Finding the Fourth Proportional to 6,650.70, 9,976.05 and 2,491.14

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Solution

The fourth proportional to 6,650.70, 9,976.05 and 2,491.14 is: 3,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.70 : 9,976.05 = 2,491.14 : x
  2. Step 2: Convert to fraction form
    6,650.70/9,976.05 = 2,491.14/x
  3. Step 3: Cross multiply
    6,650.70x = 9,976.05 × 2,491.14
  4. Step 4: Simplify right side
    6,650.70x = 24,851,737.20
  5. Step 5: Solve for x
    x = 24,851,737.20/6,650.70
  6. Step 6: Final answer
    x = 3,736.71

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Similar ratio
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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.