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Finding the Fourth Proportional to 2,876.45, 3,965.27 and 2,034.56

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Solution

The fourth proportional to 2,876.45, 3,965.27 and 2,034.56 is: 2,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.45 : 3,965.27 = 2,034.56 : x
  2. Step 2: Convert to fraction form
    2,876.45/3,965.27 = 2,034.56/x
  3. Step 3: Cross multiply
    2,876.45x = 3,965.27 × 2,034.56
  4. Step 4: Simplify right side
    2,876.45x = 8,067,594.73
  5. Step 5: Solve for x
    x = 8,067,594.73/2,876.45
  6. Step 6: Final answer
    x = 2,804.70

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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.