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Finding the Fourth Proportional to 49,297.62, 73,999.02 and 21,231.54

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Solution

The fourth proportional to 49,297.62, 73,999.02 and 21,231.54 is: 31,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,297.62 : 73,999.02 = 21,231.54 : x
  2. Step 2: Convert to fraction form
    49,297.62/73,999.02 = 21,231.54/x
  3. Step 3: Cross multiply
    49,297.62x = 73,999.02 × 21,231.54
  4. Step 4: Simplify right side
    49,297.62x = 1,571,113,153.09
  5. Step 5: Solve for x
    x = 1,571,113,153.09/49,297.62
  6. Step 6: Final answer
    x = 31,869.96

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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.