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Finding the Fourth Proportional to 69,367.64, 104,067.84 and 22,620.52

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Solution

The fourth proportional to 69,367.64, 104,067.84 and 22,620.52 is: 33,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,367.64 : 104,067.84 = 22,620.52 : x
  2. Step 2: Convert to fraction form
    69,367.64/104,067.84 = 22,620.52/x
  3. Step 3: Cross multiply
    69,367.64x = 104,067.84 × 22,620.52
  4. Step 4: Simplify right side
    69,367.64x = 2,354,068,656.08
  5. Step 5: Solve for x
    x = 2,354,068,656.08/69,367.64
  6. Step 6: Final answer
    x = 33,936.12

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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.