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Finding the Fourth Proportional to 7,099.32, 10,651.92 and 2,940.18

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Solution

The fourth proportional to 7,099.32, 10,651.92 and 2,940.18 is: 4,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.32 : 10,651.92 = 2,940.18 : x
  2. Step 2: Convert to fraction form
    7,099.32/10,651.92 = 2,940.18/x
  3. Step 3: Cross multiply
    7,099.32x = 10,651.92 × 2,940.18
  4. Step 4: Simplify right side
    7,099.32x = 31,318,527.71
  5. Step 5: Solve for x
    x = 31,318,527.71/7,099.32
  6. Step 6: Final answer
    x = 4,411.48

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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.