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Finding the Fourth Proportional to 8,355.46, 11,542.55 and 6,674.66

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Solution

The fourth proportional to 8,355.46, 11,542.55 and 6,674.66 is: 9,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.46 : 11,542.55 = 6,674.66 : x
  2. Step 2: Convert to fraction form
    8,355.46/11,542.55 = 6,674.66/x
  3. Step 3: Cross multiply
    8,355.46x = 11,542.55 × 6,674.66
  4. Step 4: Simplify right side
    8,355.46x = 77,042,596.78
  5. Step 5: Solve for x
    x = 77,042,596.78/8,355.46
  6. Step 6: Final answer
    x = 9,220.63

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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.