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Finding the Fourth Proportional to 43,199.67, 64,794.15 and 11,612.10

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Solution

The fourth proportional to 43,199.67, 64,794.15 and 11,612.10 is: 17,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,199.67 : 64,794.15 = 11,612.10 : x
  2. Step 2: Convert to fraction form
    43,199.67/64,794.15 = 11,612.10/x
  3. Step 3: Cross multiply
    43,199.67x = 64,794.15 × 11,612.10
  4. Step 4: Simplify right side
    43,199.67x = 752,396,149.22
  5. Step 5: Solve for x
    x = 752,396,149.22/43,199.67
  6. Step 6: Final answer
    x = 17,416.71

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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.