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Finding the Fourth Proportional to 29,198.30, 43,797.51 and 8,138.39

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Solution

The fourth proportional to 29,198.30, 43,797.51 and 8,138.39 is: 12,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.30 : 43,797.51 = 8,138.39 : x
  2. Step 2: Convert to fraction form
    29,198.30/43,797.51 = 8,138.39/x
  3. Step 3: Cross multiply
    29,198.30x = 43,797.51 × 8,138.39
  4. Step 4: Simplify right side
    29,198.30x = 356,440,998.42
  5. Step 5: Solve for x
    x = 356,440,998.42/29,198.30
  6. Step 6: Final answer
    x = 12,207.60

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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.