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Finding the Fourth Proportional to 11,453.96, 17,181.10 and 3,245.96

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Solution

The fourth proportional to 11,453.96, 17,181.10 and 3,245.96 is: 4,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.96 : 17,181.10 = 3,245.96 : x
  2. Step 2: Convert to fraction form
    11,453.96/17,181.10 = 3,245.96/x
  3. Step 3: Cross multiply
    11,453.96x = 17,181.10 × 3,245.96
  4. Step 4: Simplify right side
    11,453.96x = 55,769,163.36
  5. Step 5: Solve for x
    x = 55,769,163.36/11,453.96
  6. Step 6: Final answer
    x = 4,868.99

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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.