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Finding the Fourth Proportional to 7,704.86, 10,632.69 and 4,168.09

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Solution

The fourth proportional to 7,704.86, 10,632.69 and 4,168.09 is: 5,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.86 : 10,632.69 = 4,168.09 : x
  2. Step 2: Convert to fraction form
    7,704.86/10,632.69 = 4,168.09/x
  3. Step 3: Cross multiply
    7,704.86x = 10,632.69 × 4,168.09
  4. Step 4: Simplify right side
    7,704.86x = 44,317,982.28
  5. Step 5: Solve for x
    x = 44,317,982.28/7,704.86
  6. Step 6: Final answer
    x = 5,751.95

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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.