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Finding the Fourth Proportional to 61,414.65, 91,974.35 and 35,039.43

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Solution

The fourth proportional to 61,414.65, 91,974.35 and 35,039.43 is: 52,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,414.65 : 91,974.35 = 35,039.43 : x
  2. Step 2: Convert to fraction form
    61,414.65/91,974.35 = 35,039.43/x
  3. Step 3: Cross multiply
    61,414.65x = 91,974.35 × 35,039.43
  4. Step 4: Simplify right side
    61,414.65x = 3,222,728,798.62
  5. Step 5: Solve for x
    x = 3,222,728,798.62/61,414.65
  6. Step 6: Final answer
    x = 52,474.92

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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.