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Finding the Fourth Proportional to 5,375.88, 8,066.93 and 2,255.61

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Solution

The fourth proportional to 5,375.88, 8,066.93 and 2,255.61 is: 3,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.88 : 8,066.93 = 2,255.61 : x
  2. Step 2: Convert to fraction form
    5,375.88/8,066.93 = 2,255.61/x
  3. Step 3: Cross multiply
    5,375.88x = 8,066.93 × 2,255.61
  4. Step 4: Simplify right side
    5,375.88x = 18,195,847.98
  5. Step 5: Solve for x
    x = 18,195,847.98/5,375.88
  6. Step 6: Final answer
    x = 3,384.72

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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.