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Finding the Fourth Proportional to 5,144.55, 7,099.62 and 2,906.46

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Solution

The fourth proportional to 5,144.55, 7,099.62 and 2,906.46 is: 4,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.55 : 7,099.62 = 2,906.46 : x
  2. Step 2: Convert to fraction form
    5,144.55/7,099.62 = 2,906.46/x
  3. Step 3: Cross multiply
    5,144.55x = 7,099.62 × 2,906.46
  4. Step 4: Simplify right side
    5,144.55x = 20,634,761.55
  5. Step 5: Solve for x
    x = 20,634,761.55/5,144.55
  6. Step 6: Final answer
    x = 4,010.99

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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.