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Finding the Fourth Proportional to 2,249.32, 3,103.90 and 1,254.42

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Solution

The fourth proportional to 2,249.32, 3,103.90 and 1,254.42 is: 1,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.32 : 3,103.90 = 1,254.42 : x
  2. Step 2: Convert to fraction form
    2,249.32/3,103.90 = 1,254.42/x
  3. Step 3: Cross multiply
    2,249.32x = 3,103.90 × 1,254.42
  4. Step 4: Simplify right side
    2,249.32x = 3,893,594.24
  5. Step 5: Solve for x
    x = 3,893,594.24/2,249.32
  6. Step 6: Final answer
    x = 1,731.01

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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.