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Finding the Fourth Proportional to 2,449.93, 3,674.11 and 806.09

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Solution

The fourth proportional to 2,449.93, 3,674.11 and 806.09 is: 1,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.93 : 3,674.11 = 806.09 : x
  2. Step 2: Convert to fraction form
    2,449.93/3,674.11 = 806.09/x
  3. Step 3: Cross multiply
    2,449.93x = 3,674.11 × 806.09
  4. Step 4: Simplify right side
    2,449.93x = 2,961,659.30
  5. Step 5: Solve for x
    x = 2,961,659.30/2,449.93
  6. Step 6: Final answer
    x = 1,208.88

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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.