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Finding the Fourth Proportional to 6,724.97, 9,280.22 and 3,740.74

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Solution

The fourth proportional to 6,724.97, 9,280.22 and 3,740.74 is: 5,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.97 : 9,280.22 = 3,740.74 : x
  2. Step 2: Convert to fraction form
    6,724.97/9,280.22 = 3,740.74/x
  3. Step 3: Cross multiply
    6,724.97x = 9,280.22 × 3,740.74
  4. Step 4: Simplify right side
    6,724.97x = 34,714,890.16
  5. Step 5: Solve for x
    x = 34,714,890.16/6,724.97
  6. Step 6: Final answer
    x = 5,162.09

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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.