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Finding the Fourth Proportional to 69,911.97, 104,842.44 and 25,525.59

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Solution

The fourth proportional to 69,911.97, 104,842.44 and 25,525.59 is: 38,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.97 : 104,842.44 = 25,525.59 : x
  2. Step 2: Convert to fraction form
    69,911.97/104,842.44 = 25,525.59/x
  3. Step 3: Cross multiply
    69,911.97x = 104,842.44 × 25,525.59
  4. Step 4: Simplify right side
    69,911.97x = 2,676,165,138.04
  5. Step 5: Solve for x
    x = 2,676,165,138.04/69,911.97
  6. Step 6: Final answer
    x = 38,279.07

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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.