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Finding the Fourth Proportional to 8,076.96, 12,100.56 and 4,185.60

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Solution

The fourth proportional to 8,076.96, 12,100.56 and 4,185.60 is: 6,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.96 : 12,100.56 = 4,185.60 : x
  2. Step 2: Convert to fraction form
    8,076.96/12,100.56 = 4,185.60/x
  3. Step 3: Cross multiply
    8,076.96x = 12,100.56 × 4,185.60
  4. Step 4: Simplify right side
    8,076.96x = 50,648,103.94
  5. Step 5: Solve for x
    x = 50,648,103.94/8,076.96
  6. Step 6: Final answer
    x = 6,270.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.