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Finding the Fourth Proportional to 5,689.98, 8,535.24 and 2,764.80

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Solution

The fourth proportional to 5,689.98, 8,535.24 and 2,764.80 is: 4,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.98 : 8,535.24 = 2,764.80 : x
  2. Step 2: Convert to fraction form
    5,689.98/8,535.24 = 2,764.80/x
  3. Step 3: Cross multiply
    5,689.98x = 8,535.24 × 2,764.80
  4. Step 4: Simplify right side
    5,689.98x = 23,598,231.55
  5. Step 5: Solve for x
    x = 23,598,231.55/5,689.98
  6. Step 6: Final answer
    x = 4,147.33

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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.