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Finding the Fourth Proportional to 2,876.43, 4,314.75 and 796.47

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Solution

The fourth proportional to 2,876.43, 4,314.75 and 796.47 is: 1,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.43 : 4,314.75 = 796.47 : x
  2. Step 2: Convert to fraction form
    2,876.43/4,314.75 = 796.47/x
  3. Step 3: Cross multiply
    2,876.43x = 4,314.75 × 796.47
  4. Step 4: Simplify right side
    2,876.43x = 3,436,568.93
  5. Step 5: Solve for x
    x = 3,436,568.93/2,876.43
  6. Step 6: Final answer
    x = 1,194.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.