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Finding the Fourth Proportional to 7,996.72, 11,027.10 and 6,881.44

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Solution

The fourth proportional to 7,996.72, 11,027.10 and 6,881.44 is: 9,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.72 : 11,027.10 = 6,881.44 : x
  2. Step 2: Convert to fraction form
    7,996.72/11,027.10 = 6,881.44/x
  3. Step 3: Cross multiply
    7,996.72x = 11,027.10 × 6,881.44
  4. Step 4: Simplify right side
    7,996.72x = 75,882,327.02
  5. Step 5: Solve for x
    x = 75,882,327.02/7,996.72
  6. Step 6: Final answer
    x = 9,489.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.