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Finding the Fourth Proportional to 6,605.91, 9,091.35 and 6,074.96

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Solution

The fourth proportional to 6,605.91, 9,091.35 and 6,074.96 is: 8,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.91 : 9,091.35 = 6,074.96 : x
  2. Step 2: Convert to fraction form
    6,605.91/9,091.35 = 6,074.96/x
  3. Step 3: Cross multiply
    6,605.91x = 9,091.35 × 6,074.96
  4. Step 4: Simplify right side
    6,605.91x = 55,229,542.14
  5. Step 5: Solve for x
    x = 55,229,542.14/6,605.91
  6. Step 6: Final answer
    x = 8,360.63

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