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Finding the Fourth Proportional to 36,761.16, 50,759 and 28,249.88

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Solution

The fourth proportional to 36,761.16, 50,759 and 28,249.88 is: 39,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.16 : 50,759 = 28,249.88 : x
  2. Step 2: Convert to fraction form
    36,761.16/50,759 = 28,249.88/x
  3. Step 3: Cross multiply
    36,761.16x = 50,759 × 28,249.88
  4. Step 4: Simplify right side
    36,761.16x = 1,433,935,658.92
  5. Step 5: Solve for x
    x = 1,433,935,658.92/36,761.16
  6. Step 6: Final answer
    x = 39,006.81

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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.