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Finding the Fourth Proportional to 33,069, 45,635.58 and 18,165

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Solution

The fourth proportional to 33,069, 45,635.58 and 18,165 is: 25,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069 : 45,635.58 = 18,165 : x
  2. Step 2: Convert to fraction form
    33,069/45,635.58 = 18,165/x
  3. Step 3: Cross multiply
    33,069x = 45,635.58 × 18,165
  4. Step 4: Simplify right side
    33,069x = 828,970,310.70
  5. Step 5: Solve for x
    x = 828,970,310.70/33,069
  6. Step 6: Final answer
    x = 25,067.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.