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Finding the Fourth Proportional to 36,951.50, 50,994.34 and 20,185.58

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Solution

The fourth proportional to 36,951.50, 50,994.34 and 20,185.58 is: 27,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.50 : 50,994.34 = 20,185.58 : x
  2. Step 2: Convert to fraction form
    36,951.50/50,994.34 = 20,185.58/x
  3. Step 3: Cross multiply
    36,951.50x = 50,994.34 × 20,185.58
  4. Step 4: Simplify right side
    36,951.50x = 1,029,350,329.62
  5. Step 5: Solve for x
    x = 1,029,350,329.62/36,951.50
  6. Step 6: Final answer
    x = 27,856.79

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1.5x scale

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.