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Finding the Fourth Proportional to 11,960.96, 18,021.24 and 10,836.63

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Solution

The fourth proportional to 11,960.96, 18,021.24 and 10,836.63 is: 16,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.96 : 18,021.24 = 10,836.63 : x
  2. Step 2: Convert to fraction form
    11,960.96/18,021.24 = 10,836.63/x
  3. Step 3: Cross multiply
    11,960.96x = 18,021.24 × 10,836.63
  4. Step 4: Simplify right side
    11,960.96x = 195,289,510.02
  5. Step 5: Solve for x
    x = 195,289,510.02/11,960.96
  6. Step 6: Final answer
    x = 16,327.25

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.