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Finding the Fourth Proportional to 48,758.40, 73,022.40 and 33,091.20

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Solution

The fourth proportional to 48,758.40, 73,022.40 and 33,091.20 is: 49,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.40 : 73,022.40 = 33,091.20 : x
  2. Step 2: Convert to fraction form
    48,758.40/73,022.40 = 33,091.20/x
  3. Step 3: Cross multiply
    48,758.40x = 73,022.40 × 33,091.20
  4. Step 4: Simplify right side
    48,758.40x = 2,416,398,842.88
  5. Step 5: Solve for x
    x = 2,416,398,842.88/48,758.40
  6. Step 6: Final answer
    x = 49,558.62

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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.