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Finding the Fourth Proportional to 1,952.12, 2,693.92 and 1,067.92

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Solution

The fourth proportional to 1,952.12, 2,693.92 and 1,067.92 is: 1,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.12 : 2,693.92 = 1,067.92 : x
  2. Step 2: Convert to fraction form
    1,952.12/2,693.92 = 1,067.92/x
  3. Step 3: Cross multiply
    1,952.12x = 2,693.92 × 1,067.92
  4. Step 4: Simplify right side
    1,952.12x = 2,876,891.05
  5. Step 5: Solve for x
    x = 2,876,891.05/1,952.12
  6. Step 6: Final answer
    x = 1,473.73

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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.