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Finding the Fourth Proportional to 65,493.20, 98,249.72 and 33,454.68

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Solution

The fourth proportional to 65,493.20, 98,249.72 and 33,454.68 is: 50,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493.20 : 98,249.72 = 33,454.68 : x
  2. Step 2: Convert to fraction form
    65,493.20/98,249.72 = 33,454.68/x
  3. Step 3: Cross multiply
    65,493.20x = 98,249.72 × 33,454.68
  4. Step 4: Simplify right side
    65,493.20x = 3,286,912,942.69
  5. Step 5: Solve for x
    x = 3,286,912,942.69/65,493.20
  6. Step 6: Final answer
    x = 50,187.09

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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.