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Finding the Fourth Proportional to 7,996.31, 11,994.48 and 2,449.62

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Solution

The fourth proportional to 7,996.31, 11,994.48 and 2,449.62 is: 3,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.31 : 11,994.48 = 2,449.62 : x
  2. Step 2: Convert to fraction form
    7,996.31/11,994.48 = 2,449.62/x
  3. Step 3: Cross multiply
    7,996.31x = 11,994.48 × 2,449.62
  4. Step 4: Simplify right side
    7,996.31x = 29,381,918.10
  5. Step 5: Solve for x
    x = 29,381,918.10/7,996.31
  6. Step 6: Final answer
    x = 3,674.44

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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.