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Finding the Fourth Proportional to 11,163.42, 16,744.64 and 3,372

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Solution

The fourth proportional to 11,163.42, 16,744.64 and 3,372 is: 5,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.42 : 16,744.64 = 3,372 : x
  2. Step 2: Convert to fraction form
    11,163.42/16,744.64 = 3,372/x
  3. Step 3: Cross multiply
    11,163.42x = 16,744.64 × 3,372
  4. Step 4: Simplify right side
    11,163.42x = 56,462,926.08
  5. Step 5: Solve for x
    x = 56,462,926.08/11,163.42
  6. Step 6: Final answer
    x = 5,057.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.