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Finding the Fourth Proportional to 36,640.44, 50,558.44 and 20,507.64

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Solution

The fourth proportional to 36,640.44, 50,558.44 and 20,507.64 is: 28,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.44 : 50,558.44 = 20,507.64 : x
  2. Step 2: Convert to fraction form
    36,640.44/50,558.44 = 20,507.64/x
  3. Step 3: Cross multiply
    36,640.44x = 50,558.44 × 20,507.64
  4. Step 4: Simplify right side
    36,640.44x = 1,036,834,286.48
  5. Step 5: Solve for x
    x = 1,036,834,286.48/36,640.44
  6. Step 6: Final answer
    x = 28,297.54

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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.