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Finding the Fourth Proportional to 36,953, 50,995.46 and 20,186

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Solution

The fourth proportional to 36,953, 50,995.46 and 20,186 is: 27,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,953 : 50,995.46 = 20,186 : x
  2. Step 2: Convert to fraction form
    36,953/50,995.46 = 20,186/x
  3. Step 3: Cross multiply
    36,953x = 50,995.46 × 20,186
  4. Step 4: Simplify right side
    36,953x = 1,029,394,355.56
  5. Step 5: Solve for x
    x = 1,029,394,355.56/36,953
  6. Step 6: Final answer
    x = 27,856.85

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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.