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Finding the Fourth Proportional to 79,378.63, 119,067.94 and 23,974.63

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Solution

The fourth proportional to 79,378.63, 119,067.94 and 23,974.63 is: 35,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,378.63 : 119,067.94 = 23,974.63 : x
  2. Step 2: Convert to fraction form
    79,378.63/119,067.94 = 23,974.63/x
  3. Step 3: Cross multiply
    79,378.63x = 119,067.94 × 23,974.63
  4. Step 4: Simplify right side
    79,378.63x = 2,854,609,806.36
  5. Step 5: Solve for x
    x = 2,854,609,806.36/79,378.63
  6. Step 6: Final answer
    x = 35,961.94

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Similar ratio
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1.5x scale

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.