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Finding the Fourth Proportional to 69,640.77, 104,481.99 and 27,526.80

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Solution

The fourth proportional to 69,640.77, 104,481.99 and 27,526.80 is: 41,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.77 : 104,481.99 = 27,526.80 : x
  2. Step 2: Convert to fraction form
    69,640.77/104,481.99 = 27,526.80/x
  3. Step 3: Cross multiply
    69,640.77x = 104,481.99 × 27,526.80
  4. Step 4: Simplify right side
    69,640.77x = 2,876,054,842.33
  5. Step 5: Solve for x
    x = 2,876,054,842.33/69,640.77
  6. Step 6: Final answer
    x = 41,298.44

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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.