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Finding the Fourth Proportional to 2,757.47, 3,805.20 and 1,498.50

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Solution

The fourth proportional to 2,757.47, 3,805.20 and 1,498.50 is: 2,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.47 : 3,805.20 = 1,498.50 : x
  2. Step 2: Convert to fraction form
    2,757.47/3,805.20 = 1,498.50/x
  3. Step 3: Cross multiply
    2,757.47x = 3,805.20 × 1,498.50
  4. Step 4: Simplify right side
    2,757.47x = 5,702,092.20
  5. Step 5: Solve for x
    x = 5,702,092.20/2,757.47
  6. Step 6: Final answer
    x = 2,067.87

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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.