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Finding the Fourth Proportional to 26,244, 39,372.18 and 8,713.88

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Solution

The fourth proportional to 26,244, 39,372.18 and 8,713.88 is: 13,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,244 : 39,372.18 = 8,713.88 : x
  2. Step 2: Convert to fraction form
    26,244/39,372.18 = 8,713.88/x
  3. Step 3: Cross multiply
    26,244x = 39,372.18 × 8,713.88
  4. Step 4: Simplify right side
    26,244x = 343,084,369.97
  5. Step 5: Solve for x
    x = 343,084,369.97/26,244
  6. Step 6: Final answer
    x = 13,072.87

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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.