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Finding the Fourth Proportional to 7,881.80, 10,876.90 and 4,344.93

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Solution

The fourth proportional to 7,881.80, 10,876.90 and 4,344.93 is: 5,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.80 : 10,876.90 = 4,344.93 : x
  2. Step 2: Convert to fraction form
    7,881.80/10,876.90 = 4,344.93/x
  3. Step 3: Cross multiply
    7,881.80x = 10,876.90 × 4,344.93
  4. Step 4: Simplify right side
    7,881.80x = 47,259,369.12
  5. Step 5: Solve for x
    x = 47,259,369.12/7,881.80
  6. Step 6: Final answer
    x = 5,996.02

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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.