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Finding the Fourth Proportional to 6,992.68, 10,489.02 and 5,757.49

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Solution

The fourth proportional to 6,992.68, 10,489.02 and 5,757.49 is: 8,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.68 : 10,489.02 = 5,757.49 : x
  2. Step 2: Convert to fraction form
    6,992.68/10,489.02 = 5,757.49/x
  3. Step 3: Cross multiply
    6,992.68x = 10,489.02 × 5,757.49
  4. Step 4: Simplify right side
    6,992.68x = 60,390,398.97
  5. Step 5: Solve for x
    x = 60,390,398.97/6,992.68
  6. Step 6: Final answer
    x = 8,636.24

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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.