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Finding the Fourth Proportional to 49,907.06, 68,789.68 and 35,376.11

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Solution

The fourth proportional to 49,907.06, 68,789.68 and 35,376.11 is: 48,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.06 : 68,789.68 = 35,376.11 : x
  2. Step 2: Convert to fraction form
    49,907.06/68,789.68 = 35,376.11/x
  3. Step 3: Cross multiply
    49,907.06x = 68,789.68 × 35,376.11
  4. Step 4: Simplify right side
    49,907.06x = 2,433,511,286.54
  5. Step 5: Solve for x
    x = 2,433,511,286.54/49,907.06
  6. Step 6: Final answer
    x = 48,760.86

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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.