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Finding the Fourth Proportional to 36,843.64, 50,844.20 and 20,076.64

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Solution

The fourth proportional to 36,843.64, 50,844.20 and 20,076.64 is: 27,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,843.64 : 50,844.20 = 20,076.64 : x
  2. Step 2: Convert to fraction form
    36,843.64/50,844.20 = 20,076.64/x
  3. Step 3: Cross multiply
    36,843.64x = 50,844.20 × 20,076.64
  4. Step 4: Simplify right side
    36,843.64x = 1,020,780,699.49
  5. Step 5: Solve for x
    x = 1,020,780,699.49/36,843.64
  6. Step 6: Final answer
    x = 27,705.75

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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.