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Finding the Fourth Proportional to 7,236.27, 10,854.14 and 2,619.27

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Solution

The fourth proportional to 7,236.27, 10,854.14 and 2,619.27 is: 3,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.27 : 10,854.14 = 2,619.27 : x
  2. Step 2: Convert to fraction form
    7,236.27/10,854.14 = 2,619.27/x
  3. Step 3: Cross multiply
    7,236.27x = 10,854.14 × 2,619.27
  4. Step 4: Simplify right side
    7,236.27x = 28,429,910.18
  5. Step 5: Solve for x
    x = 28,429,910.18/7,236.27
  6. Step 6: Final answer
    x = 3,928.81

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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.