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Finding the Fourth Proportional to 7,333.97, 10,986.22 and 3,379.68

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Solution

The fourth proportional to 7,333.97, 10,986.22 and 3,379.68 is: 5,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.97 : 10,986.22 = 3,379.68 : x
  2. Step 2: Convert to fraction form
    7,333.97/10,986.22 = 3,379.68/x
  3. Step 3: Cross multiply
    7,333.97x = 10,986.22 × 3,379.68
  4. Step 4: Simplify right side
    7,333.97x = 37,129,933.93
  5. Step 5: Solve for x
    x = 37,129,933.93/7,333.97
  6. Step 6: Final answer
    x = 5,062.73

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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.