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Finding the Fourth Proportional to 6,751.26, 9,315.68 and 3,766.95

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Solution

The fourth proportional to 6,751.26, 9,315.68 and 3,766.95 is: 5,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.26 : 9,315.68 = 3,766.95 : x
  2. Step 2: Convert to fraction form
    6,751.26/9,315.68 = 3,766.95/x
  3. Step 3: Cross multiply
    6,751.26x = 9,315.68 × 3,766.95
  4. Step 4: Simplify right side
    6,751.26x = 35,091,681.94
  5. Step 5: Solve for x
    x = 35,091,681.94/6,751.26
  6. Step 6: Final answer
    x = 5,197.80

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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.