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Finding the Fourth Proportional to 36,197.56, 49,939.77 and 28,645.12

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Solution

The fourth proportional to 36,197.56, 49,939.77 and 28,645.12 is: 39,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,197.56 : 49,939.77 = 28,645.12 : x
  2. Step 2: Convert to fraction form
    36,197.56/49,939.77 = 28,645.12/x
  3. Step 3: Cross multiply
    36,197.56x = 49,939.77 × 28,645.12
  4. Step 4: Simplify right side
    36,197.56x = 1,430,530,704.42
  5. Step 5: Solve for x
    x = 1,430,530,704.42/36,197.56
  6. Step 6: Final answer
    x = 39,520.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.