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Finding the Fourth Proportional to 62,067.78, 85,655.68 and 33,774.54

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Solution

The fourth proportional to 62,067.78, 85,655.68 and 33,774.54 is: 46,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,067.78 : 85,655.68 = 33,774.54 : x
  2. Step 2: Convert to fraction form
    62,067.78/85,655.68 = 33,774.54/x
  3. Step 3: Cross multiply
    62,067.78x = 85,655.68 × 33,774.54
  4. Step 4: Simplify right side
    62,067.78x = 2,892,981,190.39
  5. Step 5: Solve for x
    x = 2,892,981,190.39/62,067.78
  6. Step 6: Final answer
    x = 46,610.03

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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.