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Finding the Fourth Proportional to 2,747.54, 3,791.60 and 1,488.59

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Solution

The fourth proportional to 2,747.54, 3,791.60 and 1,488.59 is: 2,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.54 : 3,791.60 = 1,488.59 : x
  2. Step 2: Convert to fraction form
    2,747.54/3,791.60 = 1,488.59/x
  3. Step 3: Cross multiply
    2,747.54x = 3,791.60 × 1,488.59
  4. Step 4: Simplify right side
    2,747.54x = 5,644,156.76
  5. Step 5: Solve for x
    x = 5,644,156.76/2,747.54
  6. Step 6: Final answer
    x = 2,054.26

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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.