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Finding the Fourth Proportional to 2,067.42, 3,102.82 and 1,374.42

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Solution

The fourth proportional to 2,067.42, 3,102.82 and 1,374.42 is: 2,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.42 : 3,102.82 = 1,374.42 : x
  2. Step 2: Convert to fraction form
    2,067.42/3,102.82 = 1,374.42/x
  3. Step 3: Cross multiply
    2,067.42x = 3,102.82 × 1,374.42
  4. Step 4: Simplify right side
    2,067.42x = 4,264,577.86
  5. Step 5: Solve for x
    x = 4,264,577.86/2,067.42
  6. Step 6: Final answer
    x = 2,062.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.