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Finding the Fourth Proportional to 6,355.05, 8,768.68 and 4,116.62

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Solution

The fourth proportional to 6,355.05, 8,768.68 and 4,116.62 is: 5,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.05 : 8,768.68 = 4,116.62 : x
  2. Step 2: Convert to fraction form
    6,355.05/8,768.68 = 4,116.62/x
  3. Step 3: Cross multiply
    6,355.05x = 8,768.68 × 4,116.62
  4. Step 4: Simplify right side
    6,355.05x = 36,097,269.33
  5. Step 5: Solve for x
    x = 36,097,269.33/6,355.05
  6. Step 6: Final answer
    x = 5,680.09

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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.