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Finding the Fourth Proportional to 61,919.50, 85,449.24 and 35,067.24

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Solution

The fourth proportional to 61,919.50, 85,449.24 and 35,067.24 is: 48,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.50 : 85,449.24 = 35,067.24 : x
  2. Step 2: Convert to fraction form
    61,919.50/85,449.24 = 35,067.24/x
  3. Step 3: Cross multiply
    61,919.50x = 85,449.24 × 35,067.24
  4. Step 4: Simplify right side
    61,919.50x = 2,996,469,006.90
  5. Step 5: Solve for x
    x = 2,996,469,006.90/61,919.50
  6. Step 6: Final answer
    x = 48,392.98

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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.