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Finding the Fourth Proportional to 49,846.50, 68,711.49 and 32,821.38

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Solution

The fourth proportional to 49,846.50, 68,711.49 and 32,821.38 is: 45,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.50 : 68,711.49 = 32,821.38 : x
  2. Step 2: Convert to fraction form
    49,846.50/68,711.49 = 32,821.38/x
  3. Step 3: Cross multiply
    49,846.50x = 68,711.49 × 32,821.38
  4. Step 4: Simplify right side
    49,846.50x = 2,255,205,923.66
  5. Step 5: Solve for x
    x = 2,255,205,923.66/49,846.50
  6. Step 6: Final answer
    x = 45,243.01

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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.