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Finding the Fourth Proportional to 2,740.52, 3,781.90 and 1,498.52

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Solution

The fourth proportional to 2,740.52, 3,781.90 and 1,498.52 is: 2,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.52 : 3,781.90 = 1,498.52 : x
  2. Step 2: Convert to fraction form
    2,740.52/3,781.90 = 1,498.52/x
  3. Step 3: Cross multiply
    2,740.52x = 3,781.90 × 1,498.52
  4. Step 4: Simplify right side
    2,740.52x = 5,667,252.79
  5. Step 5: Solve for x
    x = 5,667,252.79/2,740.52
  6. Step 6: Final answer
    x = 2,067.95

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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.