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Finding the Fourth Proportional to 7,881.59, 10,876.60 and 4,344.86

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Solution

The fourth proportional to 7,881.59, 10,876.60 and 4,344.86 is: 5,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.59 : 10,876.60 = 4,344.86 : x
  2. Step 2: Convert to fraction form
    7,881.59/10,876.60 = 4,344.86/x
  3. Step 3: Cross multiply
    7,881.59x = 10,876.60 × 4,344.86
  4. Step 4: Simplify right side
    7,881.59x = 47,257,312.46
  5. Step 5: Solve for x
    x = 47,257,312.46/7,881.59
  6. Step 6: Final answer
    x = 5,995.91

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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.