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Finding the Fourth Proportional to 36,757.68, 50,679.72 and 30,410.64

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Solution

The fourth proportional to 36,757.68, 50,679.72 and 30,410.64 is: 41,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,757.68 : 50,679.72 = 30,410.64 : x
  2. Step 2: Convert to fraction form
    36,757.68/50,679.72 = 30,410.64/x
  3. Step 3: Cross multiply
    36,757.68x = 50,679.72 × 30,410.64
  4. Step 4: Simplify right side
    36,757.68x = 1,541,202,720.22
  5. Step 5: Solve for x
    x = 1,541,202,720.22/36,757.68
  6. Step 6: Final answer
    x = 41,928.73

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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.