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Finding the Fourth Proportional to 15,183.69, 22,768.21 and 8,608.11

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Solution

The fourth proportional to 15,183.69, 22,768.21 and 8,608.11 is: 12,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.69 : 22,768.21 = 8,608.11 : x
  2. Step 2: Convert to fraction form
    15,183.69/22,768.21 = 8,608.11/x
  3. Step 3: Cross multiply
    15,183.69x = 22,768.21 × 8,608.11
  4. Step 4: Simplify right side
    15,183.69x = 195,991,256.18
  5. Step 5: Solve for x
    x = 195,991,256.18/15,183.69
  6. Step 6: Final answer
    x = 12,908.01

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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.