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Finding the Fourth Proportional to 36,950, 50,993.16 and 21,035.12

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Solution

The fourth proportional to 36,950, 50,993.16 and 21,035.12 is: 29,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,950 : 50,993.16 = 21,035.12 : x
  2. Step 2: Convert to fraction form
    36,950/50,993.16 = 21,035.12/x
  3. Step 3: Cross multiply
    36,950x = 50,993.16 × 21,035.12
  4. Step 4: Simplify right side
    36,950x = 1,072,647,239.78
  5. Step 5: Solve for x
    x = 1,072,647,239.78/36,950
  6. Step 6: Final answer
    x = 29,029.70

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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.