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Finding the Fourth Proportional to 49,606.67, 68,450.02 and 28,381.97

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Solution

The fourth proportional to 49,606.67, 68,450.02 and 28,381.97 is: 39,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,606.67 : 68,450.02 = 28,381.97 : x
  2. Step 2: Convert to fraction form
    49,606.67/68,450.02 = 28,381.97/x
  3. Step 3: Cross multiply
    49,606.67x = 68,450.02 × 28,381.97
  4. Step 4: Simplify right side
    49,606.67x = 1,942,746,414.14
  5. Step 5: Solve for x
    x = 1,942,746,414.14/49,606.67
  6. Step 6: Final answer
    x = 39,163.01

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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.