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Finding the Fourth Proportional to 7,183.80, 9,920.16 and 5,412.33

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Solution

The fourth proportional to 7,183.80, 9,920.16 and 5,412.33 is: 7,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.80 : 9,920.16 = 5,412.33 : x
  2. Step 2: Convert to fraction form
    7,183.80/9,920.16 = 5,412.33/x
  3. Step 3: Cross multiply
    7,183.80x = 9,920.16 × 5,412.33
  4. Step 4: Simplify right side
    7,183.80x = 53,691,179.57
  5. Step 5: Solve for x
    x = 53,691,179.57/7,183.80
  6. Step 6: Final answer
    x = 7,473.92

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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.