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Finding the Fourth Proportional to 7,168.71, 10,756.71 and 3,272.61

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Solution

The fourth proportional to 7,168.71, 10,756.71 and 3,272.61 is: 4,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.71 : 10,756.71 = 3,272.61 : x
  2. Step 2: Convert to fraction form
    7,168.71/10,756.71 = 3,272.61/x
  3. Step 3: Cross multiply
    7,168.71x = 10,756.71 × 3,272.61
  4. Step 4: Simplify right side
    7,168.71x = 35,202,516.71
  5. Step 5: Solve for x
    x = 35,202,516.71/7,168.71
  6. Step 6: Final answer
    x = 4,910.58

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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.