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Finding the Fourth Proportional to 11,257.75, 16,886.67 and 3,049.75

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Solution

The fourth proportional to 11,257.75, 16,886.67 and 3,049.75 is: 4,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.75 : 16,886.67 = 3,049.75 : x
  2. Step 2: Convert to fraction form
    11,257.75/16,886.67 = 3,049.75/x
  3. Step 3: Cross multiply
    11,257.75x = 16,886.67 × 3,049.75
  4. Step 4: Simplify right side
    11,257.75x = 51,500,121.83
  5. Step 5: Solve for x
    x = 51,500,121.83/11,257.75
  6. Step 6: Final answer
    x = 4,574.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.