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Finding the Fourth Proportional to 8,876.82, 13,310.60 and 2,635.97

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Solution

The fourth proportional to 8,876.82, 13,310.60 and 2,635.97 is: 3,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.82 : 13,310.60 = 2,635.97 : x
  2. Step 2: Convert to fraction form
    8,876.82/13,310.60 = 2,635.97/x
  3. Step 3: Cross multiply
    8,876.82x = 13,310.60 × 2,635.97
  4. Step 4: Simplify right side
    8,876.82x = 35,086,362.38
  5. Step 5: Solve for x
    x = 35,086,362.38/8,876.82
  6. Step 6: Final answer
    x = 3,952.58

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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.