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Finding the Fourth Proportional to 6,333.80, 8,740.25 and 3,680.69

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Solution

The fourth proportional to 6,333.80, 8,740.25 and 3,680.69 is: 5,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.80 : 8,740.25 = 3,680.69 : x
  2. Step 2: Convert to fraction form
    6,333.80/8,740.25 = 3,680.69/x
  3. Step 3: Cross multiply
    6,333.80x = 8,740.25 × 3,680.69
  4. Step 4: Simplify right side
    6,333.80x = 32,170,172.34
  5. Step 5: Solve for x
    x = 32,170,172.34/6,333.80
  6. Step 6: Final answer
    x = 5,079.13

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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.