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Finding the Fourth Proportional to 10,789.69, 16,183.44 and 3,393.94

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Solution

The fourth proportional to 10,789.69, 16,183.44 and 3,393.94 is: 5,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.69 : 16,183.44 = 3,393.94 : x
  2. Step 2: Convert to fraction form
    10,789.69/16,183.44 = 3,393.94/x
  3. Step 3: Cross multiply
    10,789.69x = 16,183.44 × 3,393.94
  4. Step 4: Simplify right side
    10,789.69x = 54,925,624.35
  5. Step 5: Solve for x
    x = 54,925,624.35/10,789.69
  6. Step 6: Final answer
    x = 5,090.57

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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.