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Finding the Fourth Proportional to 61,942.29, 85,480.41 and 33,647.97

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Solution

The fourth proportional to 61,942.29, 85,480.41 and 33,647.97 is: 46,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.29 : 85,480.41 = 33,647.97 : x
  2. Step 2: Convert to fraction form
    61,942.29/85,480.41 = 33,647.97/x
  3. Step 3: Cross multiply
    61,942.29x = 85,480.41 × 33,647.97
  4. Step 4: Simplify right side
    61,942.29x = 2,876,242,718.00
  5. Step 5: Solve for x
    x = 2,876,242,718.00/61,942.29
  6. Step 6: Final answer
    x = 46,434.24

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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.