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Finding the Fourth Proportional to 7,183.16, 9,912.76 and 4,039.34

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Solution

The fourth proportional to 7,183.16, 9,912.76 and 4,039.34 is: 5,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.16 : 9,912.76 = 4,039.34 : x
  2. Step 2: Convert to fraction form
    7,183.16/9,912.76 = 4,039.34/x
  3. Step 3: Cross multiply
    7,183.16x = 9,912.76 × 4,039.34
  4. Step 4: Simplify right side
    7,183.16x = 40,041,007.98
  5. Step 5: Solve for x
    x = 40,041,007.98/7,183.16
  6. Step 6: Final answer
    x = 5,574.29

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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.