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Finding the Fourth Proportional to 7,881.41, 10,876.38 and 4,344.55

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Solution

The fourth proportional to 7,881.41, 10,876.38 and 4,344.55 is: 5,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.41 : 10,876.38 = 4,344.55 : x
  2. Step 2: Convert to fraction form
    7,881.41/10,876.38 = 4,344.55/x
  3. Step 3: Cross multiply
    7,881.41x = 10,876.38 × 4,344.55
  4. Step 4: Simplify right side
    7,881.41x = 47,252,976.73
  5. Step 5: Solve for x
    x = 47,252,976.73/7,881.41
  6. Step 6: Final answer
    x = 5,995.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.