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Finding the Fourth Proportional to 9,183.69, 12,673.22 and 5,405.99

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Solution

The fourth proportional to 9,183.69, 12,673.22 and 5,405.99 is: 7,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.69 : 12,673.22 = 5,405.99 : x
  2. Step 2: Convert to fraction form
    9,183.69/12,673.22 = 5,405.99/x
  3. Step 3: Cross multiply
    9,183.69x = 12,673.22 × 5,405.99
  4. Step 4: Simplify right side
    9,183.69x = 68,511,210.19
  5. Step 5: Solve for x
    x = 68,511,210.19/9,183.69
  6. Step 6: Final answer
    x = 7,460.10

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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.