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Finding the Fourth Proportional to 5,367.72, 8,054.46 and 2,289

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Solution

The fourth proportional to 5,367.72, 8,054.46 and 2,289 is: 3,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.72 : 8,054.46 = 2,289 : x
  2. Step 2: Convert to fraction form
    5,367.72/8,054.46 = 2,289/x
  3. Step 3: Cross multiply
    5,367.72x = 8,054.46 × 2,289
  4. Step 4: Simplify right side
    5,367.72x = 18,436,658.94
  5. Step 5: Solve for x
    x = 18,436,658.94/5,367.72
  6. Step 6: Final answer
    x = 3,434.73

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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.