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Finding the Fourth Proportional to 69,949.96, 104,910.22 and 25,597.64

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Solution

The fourth proportional to 69,949.96, 104,910.22 and 25,597.64 is: 38,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,949.96 : 104,910.22 = 25,597.64 : x
  2. Step 2: Convert to fraction form
    69,949.96/104,910.22 = 25,597.64/x
  3. Step 3: Cross multiply
    69,949.96x = 104,910.22 × 25,597.64
  4. Step 4: Simplify right side
    69,949.96x = 2,685,454,043.88
  5. Step 5: Solve for x
    x = 2,685,454,043.88/69,949.96
  6. Step 6: Final answer
    x = 38,391.07

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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.