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Finding the Fourth Proportional to 36,843.12, 50,843.55 and 20,076.12

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Solution

The fourth proportional to 36,843.12, 50,843.55 and 20,076.12 is: 27,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,843.12 : 50,843.55 = 20,076.12 : x
  2. Step 2: Convert to fraction form
    36,843.12/50,843.55 = 20,076.12/x
  3. Step 3: Cross multiply
    36,843.12x = 50,843.55 × 20,076.12
  4. Step 4: Simplify right side
    36,843.12x = 1,020,741,211.03
  5. Step 5: Solve for x
    x = 1,020,741,211.03/36,843.12
  6. Step 6: Final answer
    x = 27,705.07

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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.