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Finding the Fourth Proportional to 61,922.38, 85,451.12 and 35,067.46

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Solution

The fourth proportional to 61,922.38, 85,451.12 and 35,067.46 is: 48,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,922.38 : 85,451.12 = 35,067.46 : x
  2. Step 2: Convert to fraction form
    61,922.38/85,451.12 = 35,067.46/x
  3. Step 3: Cross multiply
    61,922.38x = 85,451.12 × 35,067.46
  4. Step 4: Simplify right side
    61,922.38x = 2,996,553,732.56
  5. Step 5: Solve for x
    x = 2,996,553,732.56/61,922.38
  6. Step 6: Final answer
    x = 48,392.10

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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.