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Finding the Fourth Proportional to 66,052.44, 99,057.84 and 21,668.85

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Solution

The fourth proportional to 66,052.44, 99,057.84 and 21,668.85 is: 32,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.44 : 99,057.84 = 21,668.85 : x
  2. Step 2: Convert to fraction form
    66,052.44/99,057.84 = 21,668.85/x
  3. Step 3: Cross multiply
    66,052.44x = 99,057.84 × 21,668.85
  4. Step 4: Simplify right side
    66,052.44x = 2,146,469,309.90
  5. Step 5: Solve for x
    x = 2,146,469,309.90/66,052.44
  6. Step 6: Final answer
    x = 32,496.44

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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.