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Finding the Fourth Proportional to 49,306.80, 73,945.80 and 17,713.20

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Solution

The fourth proportional to 49,306.80, 73,945.80 and 17,713.20 is: 26,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,306.80 : 73,945.80 = 17,713.20 : x
  2. Step 2: Convert to fraction form
    49,306.80/73,945.80 = 17,713.20/x
  3. Step 3: Cross multiply
    49,306.80x = 73,945.80 × 17,713.20
  4. Step 4: Simplify right side
    49,306.80x = 1,309,816,744.56
  5. Step 5: Solve for x
    x = 1,309,816,744.56/49,306.80
  6. Step 6: Final answer
    x = 26,564.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.