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Finding the Fourth Proportional to 7,183.16, 9,909.43 and 4,199.12

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Solution

The fourth proportional to 7,183.16, 9,909.43 and 4,199.12 is: 5,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.16 : 9,909.43 = 4,199.12 : x
  2. Step 2: Convert to fraction form
    7,183.16/9,909.43 = 4,199.12/x
  3. Step 3: Cross multiply
    7,183.16x = 9,909.43 × 4,199.12
  4. Step 4: Simplify right side
    7,183.16x = 41,610,825.66
  5. Step 5: Solve for x
    x = 41,610,825.66/7,183.16
  6. Step 6: Final answer
    x = 5,792.83

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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.