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Finding the Fourth Proportional to 5,611.74, 7,743.83 and 3,093.87

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Solution

The fourth proportional to 5,611.74, 7,743.83 and 3,093.87 is: 4,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.74 : 7,743.83 = 3,093.87 : x
  2. Step 2: Convert to fraction form
    5,611.74/7,743.83 = 3,093.87/x
  3. Step 3: Cross multiply
    5,611.74x = 7,743.83 × 3,093.87
  4. Step 4: Simplify right side
    5,611.74x = 23,958,374.28
  5. Step 5: Solve for x
    x = 23,958,374.28/5,611.74
  6. Step 6: Final answer
    x = 4,269.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.