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Finding the Fourth Proportional to 8,709.39, 13,066.29 and 2,469.42

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Solution

The fourth proportional to 8,709.39, 13,066.29 and 2,469.42 is: 3,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.39 : 13,066.29 = 2,469.42 : x
  2. Step 2: Convert to fraction form
    8,709.39/13,066.29 = 2,469.42/x
  3. Step 3: Cross multiply
    8,709.39x = 13,066.29 × 2,469.42
  4. Step 4: Simplify right side
    8,709.39x = 32,266,157.85
  5. Step 5: Solve for x
    x = 32,266,157.85/8,709.39
  6. Step 6: Final answer
    x = 3,704.76

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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.