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Finding the Fourth Proportional to 1,951.43, 2,692.96 and 1,067.22

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Solution

The fourth proportional to 1,951.43, 2,692.96 and 1,067.22 is: 1,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.43 : 2,692.96 = 1,067.22 : x
  2. Step 2: Convert to fraction form
    1,951.43/2,692.96 = 1,067.22/x
  3. Step 3: Cross multiply
    1,951.43x = 2,692.96 × 1,067.22
  4. Step 4: Simplify right side
    1,951.43x = 2,873,978.10
  5. Step 5: Solve for x
    x = 2,873,978.10/1,951.43
  6. Step 6: Final answer
    x = 1,472.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.