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Finding the Fourth Proportional to 62,891.80, 86,789.27 and 36,050.13

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Solution

The fourth proportional to 62,891.80, 86,789.27 and 36,050.13 is: 49,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.80 : 86,789.27 = 36,050.13 : x
  2. Step 2: Convert to fraction form
    62,891.80/86,789.27 = 36,050.13/x
  3. Step 3: Cross multiply
    62,891.80x = 86,789.27 × 36,050.13
  4. Step 4: Simplify right side
    62,891.80x = 3,128,764,556.23
  5. Step 5: Solve for x
    x = 3,128,764,556.23/62,891.80
  6. Step 6: Final answer
    x = 49,748.37

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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.