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Finding the Fourth Proportional to 12,231.92, 16,879.10 and 6,927.23

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Solution

The fourth proportional to 12,231.92, 16,879.10 and 6,927.23 is: 9,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.92 : 16,879.10 = 6,927.23 : x
  2. Step 2: Convert to fraction form
    12,231.92/16,879.10 = 6,927.23/x
  3. Step 3: Cross multiply
    12,231.92x = 16,879.10 × 6,927.23
  4. Step 4: Simplify right side
    12,231.92x = 116,925,288.86
  5. Step 5: Solve for x
    x = 116,925,288.86/12,231.92
  6. Step 6: Final answer
    x = 9,559.03

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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.