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Finding the Fourth Proportional to 6,789.22, 9,373.68 and 4,240.85

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Solution

The fourth proportional to 6,789.22, 9,373.68 and 4,240.85 is: 5,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.22 : 9,373.68 = 4,240.85 : x
  2. Step 2: Convert to fraction form
    6,789.22/9,373.68 = 4,240.85/x
  3. Step 3: Cross multiply
    6,789.22x = 9,373.68 × 4,240.85
  4. Step 4: Simplify right side
    6,789.22x = 39,752,370.83
  5. Step 5: Solve for x
    x = 39,752,370.83/6,789.22
  6. Step 6: Final answer
    x = 5,855.22

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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.