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Finding the Fourth Proportional to 7,379.27, 11,063.08 and 3,679.59

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Solution

The fourth proportional to 7,379.27, 11,063.08 and 3,679.59 is: 5,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.27 : 11,063.08 = 3,679.59 : x
  2. Step 2: Convert to fraction form
    7,379.27/11,063.08 = 3,679.59/x
  3. Step 3: Cross multiply
    7,379.27x = 11,063.08 × 3,679.59
  4. Step 4: Simplify right side
    7,379.27x = 40,707,644.62
  5. Step 5: Solve for x
    x = 40,707,644.62/7,379.27
  6. Step 6: Final answer
    x = 5,516.49

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Why These Related Problems?

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