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Finding the Fourth Proportional to 8,632.29, 11,912.49 and 4,906.29

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Solution

The fourth proportional to 8,632.29, 11,912.49 and 4,906.29 is: 6,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.29 : 11,912.49 = 4,906.29 : x
  2. Step 2: Convert to fraction form
    8,632.29/11,912.49 = 4,906.29/x
  3. Step 3: Cross multiply
    8,632.29x = 11,912.49 × 4,906.29
  4. Step 4: Simplify right side
    8,632.29x = 58,446,130.56
  5. Step 5: Solve for x
    x = 58,446,130.56/8,632.29
  6. Step 6: Final answer
    x = 6,770.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.