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Finding the Fourth Proportional to 2,791.89, 3,852.74 and 1,532.94

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Solution

The fourth proportional to 2,791.89, 3,852.74 and 1,532.94 is: 2,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.89 : 3,852.74 = 1,532.94 : x
  2. Step 2: Convert to fraction form
    2,791.89/3,852.74 = 1,532.94/x
  3. Step 3: Cross multiply
    2,791.89x = 3,852.74 × 1,532.94
  4. Step 4: Simplify right side
    2,791.89x = 5,906,011.59
  5. Step 5: Solve for x
    x = 5,906,011.59/2,791.89
  6. Step 6: Final answer
    x = 2,115.42

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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.