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Finding the Fourth Proportional to 6,449.66, 9,674.96 and 2,231.17

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Solution

The fourth proportional to 6,449.66, 9,674.96 and 2,231.17 is: 3,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.66 : 9,674.96 = 2,231.17 : x
  2. Step 2: Convert to fraction form
    6,449.66/9,674.96 = 2,231.17/x
  3. Step 3: Cross multiply
    6,449.66x = 9,674.96 × 2,231.17
  4. Step 4: Simplify right side
    6,449.66x = 21,586,445.16
  5. Step 5: Solve for x
    x = 21,586,445.16/6,449.66
  6. Step 6: Final answer
    x = 3,346.91

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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.