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Finding the Fourth Proportional to 7,993.70, 11,990.53 and 2,446.97

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Solution

The fourth proportional to 7,993.70, 11,990.53 and 2,446.97 is: 3,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.70 : 11,990.53 = 2,446.97 : x
  2. Step 2: Convert to fraction form
    7,993.70/11,990.53 = 2,446.97/x
  3. Step 3: Cross multiply
    7,993.70x = 11,990.53 × 2,446.97
  4. Step 4: Simplify right side
    7,993.70x = 29,340,491.05
  5. Step 5: Solve for x
    x = 29,340,491.05/7,993.70
  6. Step 6: Final answer
    x = 3,670.45

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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.