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Finding the Fourth Proportional to 2,067.53, 3,101.49 and 1,189.49

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Solution

The fourth proportional to 2,067.53, 3,101.49 and 1,189.49 is: 1,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.53 : 3,101.49 = 1,189.49 : x
  2. Step 2: Convert to fraction form
    2,067.53/3,101.49 = 1,189.49/x
  3. Step 3: Cross multiply
    2,067.53x = 3,101.49 × 1,189.49
  4. Step 4: Simplify right side
    2,067.53x = 3,689,175.83
  5. Step 5: Solve for x
    x = 3,689,175.83/2,067.53
  6. Step 6: Final answer
    x = 1,784.34

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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.