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Finding the Fourth Proportional to 8,062.90, 12,096.51 and 3,380.38

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Solution

The fourth proportional to 8,062.90, 12,096.51 and 3,380.38 is: 5,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.90 : 12,096.51 = 3,380.38 : x
  2. Step 2: Convert to fraction form
    8,062.90/12,096.51 = 3,380.38/x
  3. Step 3: Cross multiply
    8,062.90x = 12,096.51 × 3,380.38
  4. Step 4: Simplify right side
    8,062.90x = 40,890,800.47
  5. Step 5: Solve for x
    x = 40,890,800.47/8,062.90
  6. Step 6: Final answer
    x = 5,071.48

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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.