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Finding the Fourth Proportional to 5,375.50, 8,062.26 and 1,677.82

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Solution

The fourth proportional to 5,375.50, 8,062.26 and 1,677.82 is: 2,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.50 : 8,062.26 = 1,677.82 : x
  2. Step 2: Convert to fraction form
    5,375.50/8,062.26 = 1,677.82/x
  3. Step 3: Cross multiply
    5,375.50x = 8,062.26 × 1,677.82
  4. Step 4: Simplify right side
    5,375.50x = 13,527,021.07
  5. Step 5: Solve for x
    x = 13,527,021.07/5,375.50
  6. Step 6: Final answer
    x = 2,516.42

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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.