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Finding the Fourth Proportional to 61,414.78, 91,974.54 and 35,039.56

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Solution

The fourth proportional to 61,414.78, 91,974.54 and 35,039.56 is: 52,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,414.78 : 91,974.54 = 35,039.56 : x
  2. Step 2: Convert to fraction form
    61,414.78/91,974.54 = 35,039.56/x
  3. Step 3: Cross multiply
    61,414.78x = 91,974.54 × 35,039.56
  4. Step 4: Simplify right side
    61,414.78x = 3,222,747,182.87
  5. Step 5: Solve for x
    x = 3,222,747,182.87/61,414.78
  6. Step 6: Final answer
    x = 52,475.11

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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.