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Finding the Fourth Proportional to 11,183.32, 15,436.42 and 7,204.42

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Solution

The fourth proportional to 11,183.32, 15,436.42 and 7,204.42 is: 9,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.32 : 15,436.42 = 7,204.42 : x
  2. Step 2: Convert to fraction form
    11,183.32/15,436.42 = 7,204.42/x
  3. Step 3: Cross multiply
    11,183.32x = 15,436.42 × 7,204.42
  4. Step 4: Simplify right side
    11,183.32x = 111,210,452.98
  5. Step 5: Solve for x
    x = 111,210,452.98/11,183.32
  6. Step 6: Final answer
    x = 9,944.31

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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.