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Finding the Fourth Proportional to 1,951.96, 2,693.74 and 1,067.80

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Solution

The fourth proportional to 1,951.96, 2,693.74 and 1,067.80 is: 1,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.96 : 2,693.74 = 1,067.80 : x
  2. Step 2: Convert to fraction form
    1,951.96/2,693.74 = 1,067.80/x
  3. Step 3: Cross multiply
    1,951.96x = 2,693.74 × 1,067.80
  4. Step 4: Simplify right side
    1,951.96x = 2,876,375.57
  5. Step 5: Solve for x
    x = 2,876,375.57/1,951.96
  6. Step 6: Final answer
    x = 1,473.58

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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.