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Finding the Fourth Proportional to 69,791.63, 104,604.06 and 25,394.21

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Solution

The fourth proportional to 69,791.63, 104,604.06 and 25,394.21 is: 38,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.63 : 104,604.06 = 25,394.21 : x
  2. Step 2: Convert to fraction form
    69,791.63/104,604.06 = 25,394.21/x
  3. Step 3: Cross multiply
    69,791.63x = 104,604.06 × 25,394.21
  4. Step 4: Simplify right side
    69,791.63x = 2,656,337,288.12
  5. Step 5: Solve for x
    x = 2,656,337,288.12/69,791.63
  6. Step 6: Final answer
    x = 38,060.97

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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.