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Finding the Fourth Proportional to 6,751.08, 9,315.48 and 3,766.98

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Solution

The fourth proportional to 6,751.08, 9,315.48 and 3,766.98 is: 5,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.08 : 9,315.48 = 3,766.98 : x
  2. Step 2: Convert to fraction form
    6,751.08/9,315.48 = 3,766.98/x
  3. Step 3: Cross multiply
    6,751.08x = 9,315.48 × 3,766.98
  4. Step 4: Simplify right side
    6,751.08x = 35,091,226.85
  5. Step 5: Solve for x
    x = 35,091,226.85/6,751.08
  6. Step 6: Final answer
    x = 5,197.87

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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.