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Finding the Fourth Proportional to 11,674.92, 16,111.49 and 6,369.83

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Solution

The fourth proportional to 11,674.92, 16,111.49 and 6,369.83 is: 8,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.92 : 16,111.49 = 6,369.83 : x
  2. Step 2: Convert to fraction form
    11,674.92/16,111.49 = 6,369.83/x
  3. Step 3: Cross multiply
    11,674.92x = 16,111.49 × 6,369.83
  4. Step 4: Simplify right side
    11,674.92x = 102,627,339.94
  5. Step 5: Solve for x
    x = 102,627,339.94/11,674.92
  6. Step 6: Final answer
    x = 8,790.41

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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.