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Finding the Fourth Proportional to 49,960.80, 74,954.16 and 26,568

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Solution

The fourth proportional to 49,960.80, 74,954.16 and 26,568 is: 39,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,960.80 : 74,954.16 = 26,568 : x
  2. Step 2: Convert to fraction form
    49,960.80/74,954.16 = 26,568/x
  3. Step 3: Cross multiply
    49,960.80x = 74,954.16 × 26,568
  4. Step 4: Simplify right side
    49,960.80x = 1,991,382,122.88
  5. Step 5: Solve for x
    x = 1,991,382,122.88/49,960.80
  6. Step 6: Final answer
    x = 39,858.89

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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.