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Finding the Fourth Proportional to 2,724.69, 3,759.96 and 1,529.55

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Solution

The fourth proportional to 2,724.69, 3,759.96 and 1,529.55 is: 2,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.69 : 3,759.96 = 1,529.55 : x
  2. Step 2: Convert to fraction form
    2,724.69/3,759.96 = 1,529.55/x
  3. Step 3: Cross multiply
    2,724.69x = 3,759.96 × 1,529.55
  4. Step 4: Simplify right side
    2,724.69x = 5,751,046.82
  5. Step 5: Solve for x
    x = 5,751,046.82/2,724.69
  6. Step 6: Final answer
    x = 2,110.72

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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.