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Finding the Fourth Proportional to 49,940.05, 68,834.99 and 35,408.96

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Solution

The fourth proportional to 49,940.05, 68,834.99 and 35,408.96 is: 48,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,940.05 : 68,834.99 = 35,408.96 : x
  2. Step 2: Convert to fraction form
    49,940.05/68,834.99 = 35,408.96/x
  3. Step 3: Cross multiply
    49,940.05x = 68,834.99 × 35,408.96
  4. Step 4: Simplify right side
    49,940.05x = 2,437,375,407.51
  5. Step 5: Solve for x
    x = 2,437,375,407.51/49,940.05
  6. Step 6: Final answer
    x = 48,806.03

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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.