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Finding the Fourth Proportional to 69,648.70, 104,448.56 and 25,267.90

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Solution

The fourth proportional to 69,648.70, 104,448.56 and 25,267.90 is: 37,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648.70 : 104,448.56 = 25,267.90 : x
  2. Step 2: Convert to fraction form
    69,648.70/104,448.56 = 25,267.90/x
  3. Step 3: Cross multiply
    69,648.70x = 104,448.56 × 25,267.90
  4. Step 4: Simplify right side
    69,648.70x = 2,639,195,769.22
  5. Step 5: Solve for x
    x = 2,639,195,769.22/69,648.70
  6. Step 6: Final answer
    x = 37,892.97

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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.