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Finding the Fourth Proportional to 28,882.42, 43,340.64 and 12,241.24

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Solution

The fourth proportional to 28,882.42, 43,340.64 and 12,241.24 is: 18,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.42 : 43,340.64 = 12,241.24 : x
  2. Step 2: Convert to fraction form
    28,882.42/43,340.64 = 12,241.24/x
  3. Step 3: Cross multiply
    28,882.42x = 43,340.64 × 12,241.24
  4. Step 4: Simplify right side
    28,882.42x = 530,543,175.99
  5. Step 5: Solve for x
    x = 530,543,175.99/28,882.42
  6. Step 6: Final answer
    x = 18,369.07

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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.