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Finding the Fourth Proportional to 11,674.72, 16,111.06 and 6,369.52

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Solution

The fourth proportional to 11,674.72, 16,111.06 and 6,369.52 is: 8,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.72 : 16,111.06 = 6,369.52 : x
  2. Step 2: Convert to fraction form
    11,674.72/16,111.06 = 6,369.52/x
  3. Step 3: Cross multiply
    11,674.72x = 16,111.06 × 6,369.52
  4. Step 4: Simplify right side
    11,674.72x = 102,619,718.89
  5. Step 5: Solve for x
    x = 102,619,718.89/11,674.72
  6. Step 6: Final answer
    x = 8,789.91

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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.