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Finding the Fourth Proportional to 4,751, 6,556.26 and 2,761.55

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Solution

The fourth proportional to 4,751, 6,556.26 and 2,761.55 is: 3,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751 : 6,556.26 = 2,761.55 : x
  2. Step 2: Convert to fraction form
    4,751/6,556.26 = 2,761.55/x
  3. Step 3: Cross multiply
    4,751x = 6,556.26 × 2,761.55
  4. Step 4: Simplify right side
    4,751x = 18,105,439.80
  5. Step 5: Solve for x
    x = 18,105,439.80/4,751
  6. Step 6: Final answer
    x = 3,810.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.