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Finding the Fourth Proportional to 69,758.87, 104,641.97 and 23,015.39

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Solution

The fourth proportional to 69,758.87, 104,641.97 and 23,015.39 is: 34,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,758.87 : 104,641.97 = 23,015.39 : x
  2. Step 2: Convert to fraction form
    69,758.87/104,641.97 = 23,015.39/x
  3. Step 3: Cross multiply
    69,758.87x = 104,641.97 × 23,015.39
  4. Step 4: Simplify right side
    69,758.87x = 2,408,375,111.63
  5. Step 5: Solve for x
    x = 2,408,375,111.63/69,758.87
  6. Step 6: Final answer
    x = 34,524.29

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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.