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Finding the Fourth Proportional to 36,732.80, 50,691.26 and 19,965.80

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Solution

The fourth proportional to 36,732.80, 50,691.26 and 19,965.80 is: 27,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,732.80 : 50,691.26 = 19,965.80 : x
  2. Step 2: Convert to fraction form
    36,732.80/50,691.26 = 19,965.80/x
  3. Step 3: Cross multiply
    36,732.80x = 50,691.26 × 19,965.80
  4. Step 4: Simplify right side
    36,732.80x = 1,012,091,735.55
  5. Step 5: Solve for x
    x = 1,012,091,735.55/36,732.80
  6. Step 6: Final answer
    x = 27,552.80

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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.