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Finding the Fourth Proportional to 7,881.39, 10,876.39 and 4,344.73

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Solution

The fourth proportional to 7,881.39, 10,876.39 and 4,344.73 is: 5,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.39 : 10,876.39 = 4,344.73 : x
  2. Step 2: Convert to fraction form
    7,881.39/10,876.39 = 4,344.73/x
  3. Step 3: Cross multiply
    7,881.39x = 10,876.39 × 4,344.73
  4. Step 4: Simplify right side
    7,881.39x = 47,254,977.92
  5. Step 5: Solve for x
    x = 47,254,977.92/7,881.39
  6. Step 6: Final answer
    x = 5,995.77

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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.