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Finding the Fourth Proportional to 4,112.69, 5,675.65 and 2,249.69

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Solution

The fourth proportional to 4,112.69, 5,675.65 and 2,249.69 is: 3,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.69 : 5,675.65 = 2,249.69 : x
  2. Step 2: Convert to fraction form
    4,112.69/5,675.65 = 2,249.69/x
  3. Step 3: Cross multiply
    4,112.69x = 5,675.65 × 2,249.69
  4. Step 4: Simplify right side
    4,112.69x = 12,768,441.80
  5. Step 5: Solve for x
    x = 12,768,441.80/4,112.69
  6. Step 6: Final answer
    x = 3,104.64

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