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Finding the Fourth Proportional to 6,766.97, 9,334.26 and 6,291.90

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Solution

The fourth proportional to 6,766.97, 9,334.26 and 6,291.90 is: 8,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.97 : 9,334.26 = 6,291.90 : x
  2. Step 2: Convert to fraction form
    6,766.97/9,334.26 = 6,291.90/x
  3. Step 3: Cross multiply
    6,766.97x = 9,334.26 × 6,291.90
  4. Step 4: Simplify right side
    6,766.97x = 58,730,230.49
  5. Step 5: Solve for x
    x = 58,730,230.49/6,766.97
  6. Step 6: Final answer
    x = 8,678.96

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1.5x scale

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.