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Finding the Fourth Proportional to 69,618.92, 104,428.24 and 25,245.52

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Solution

The fourth proportional to 69,618.92, 104,428.24 and 25,245.52 is: 37,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.92 : 104,428.24 = 25,245.52 : x
  2. Step 2: Convert to fraction form
    69,618.92/104,428.24 = 25,245.52/x
  3. Step 3: Cross multiply
    69,618.92x = 104,428.24 × 25,245.52
  4. Step 4: Simplify right side
    69,618.92x = 2,636,345,221.48
  5. Step 5: Solve for x
    x = 2,636,345,221.48/69,618.92
  6. Step 6: Final answer
    x = 37,868.23

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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.