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Finding the Fourth Proportional to 49,900.76, 68,863.67 and 29,769.26

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Solution

The fourth proportional to 49,900.76, 68,863.67 and 29,769.26 is: 41,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.76 : 68,863.67 = 29,769.26 : x
  2. Step 2: Convert to fraction form
    49,900.76/68,863.67 = 29,769.26/x
  3. Step 3: Cross multiply
    49,900.76x = 68,863.67 × 29,769.26
  4. Step 4: Simplify right side
    49,900.76x = 2,050,020,115.25
  5. Step 5: Solve for x
    x = 2,050,020,115.25/49,900.76
  6. Step 6: Final answer
    x = 41,081.94

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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.