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Finding the Fourth Proportional to 36,704.66, 50,661.48 and 20,798.50

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Solution

The fourth proportional to 36,704.66, 50,661.48 and 20,798.50 is: 28,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,704.66 : 50,661.48 = 20,798.50 : x
  2. Step 2: Convert to fraction form
    36,704.66/50,661.48 = 20,798.50/x
  3. Step 3: Cross multiply
    36,704.66x = 50,661.48 × 20,798.50
  4. Step 4: Simplify right side
    36,704.66x = 1,053,682,791.78
  5. Step 5: Solve for x
    x = 1,053,682,791.78/36,704.66
  6. Step 6: Final answer
    x = 28,707.06

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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.