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Finding the Fourth Proportional to 6,361.15, 8,778.18 and 3,842.82

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Solution

The fourth proportional to 6,361.15, 8,778.18 and 3,842.82 is: 5,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.15 : 8,778.18 = 3,842.82 : x
  2. Step 2: Convert to fraction form
    6,361.15/8,778.18 = 3,842.82/x
  3. Step 3: Cross multiply
    6,361.15x = 8,778.18 × 3,842.82
  4. Step 4: Simplify right side
    6,361.15x = 33,732,946.45
  5. Step 5: Solve for x
    x = 33,732,946.45/6,361.15
  6. Step 6: Final answer
    x = 5,302.97

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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.