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Finding the Fourth Proportional to 4,855.52, 7,289.94 and 2,517.44

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Solution

The fourth proportional to 4,855.52, 7,289.94 and 2,517.44 is: 3,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.52 : 7,289.94 = 2,517.44 : x
  2. Step 2: Convert to fraction form
    4,855.52/7,289.94 = 2,517.44/x
  3. Step 3: Cross multiply
    4,855.52x = 7,289.94 × 2,517.44
  4. Step 4: Simplify right side
    4,855.52x = 18,351,986.55
  5. Step 5: Solve for x
    x = 18,351,986.55/4,855.52
  6. Step 6: Final answer
    x = 3,779.61

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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.