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Finding the Fourth Proportional to 36,606, 50,516.28 and 19,839

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Solution

The fourth proportional to 36,606, 50,516.28 and 19,839 is: 27,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,606 : 50,516.28 = 19,839 : x
  2. Step 2: Convert to fraction form
    36,606/50,516.28 = 19,839/x
  3. Step 3: Cross multiply
    36,606x = 50,516.28 × 19,839
  4. Step 4: Simplify right side
    36,606x = 1,002,192,478.92
  5. Step 5: Solve for x
    x = 1,002,192,478.92/36,606
  6. Step 6: Final answer
    x = 27,377.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.