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Finding the Fourth Proportional to 36,667, 50,613.58 and 21,763

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Solution

The fourth proportional to 36,667, 50,613.58 and 21,763 is: 30,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,667 : 50,613.58 = 21,763 : x
  2. Step 2: Convert to fraction form
    36,667/50,613.58 = 21,763/x
  3. Step 3: Cross multiply
    36,667x = 50,613.58 × 21,763
  4. Step 4: Simplify right side
    36,667x = 1,101,503,341.54
  5. Step 5: Solve for x
    x = 1,101,503,341.54/36,667
  6. Step 6: Final answer
    x = 30,040.73

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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.