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Finding the Fourth Proportional to 2,449.97, 3,673.28 and 806.28

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Solution

The fourth proportional to 2,449.97, 3,673.28 and 806.28 is: 1,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.97 : 3,673.28 = 806.28 : x
  2. Step 2: Convert to fraction form
    2,449.97/3,673.28 = 806.28/x
  3. Step 3: Cross multiply
    2,449.97x = 3,673.28 × 806.28
  4. Step 4: Simplify right side
    2,449.97x = 2,961,694.21
  5. Step 5: Solve for x
    x = 2,961,694.21/2,449.97
  6. Step 6: Final answer
    x = 1,208.87

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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.