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Finding the Fourth Proportional to 7,990.92, 11,986.38 and 5,063.06

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Solution

The fourth proportional to 7,990.92, 11,986.38 and 5,063.06 is: 7,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.92 : 11,986.38 = 5,063.06 : x
  2. Step 2: Convert to fraction form
    7,990.92/11,986.38 = 5,063.06/x
  3. Step 3: Cross multiply
    7,990.92x = 11,986.38 × 5,063.06
  4. Step 4: Simplify right side
    7,990.92x = 60,687,791.09
  5. Step 5: Solve for x
    x = 60,687,791.09/7,990.92
  6. Step 6: Final answer
    x = 7,594.59

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Double scale
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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.