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Finding the Fourth Proportional to 13,183.41, 19,773.06 and 4,418.40

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Solution

The fourth proportional to 13,183.41, 19,773.06 and 4,418.40 is: 6,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.41 : 19,773.06 = 4,418.40 : x
  2. Step 2: Convert to fraction form
    13,183.41/19,773.06 = 4,418.40/x
  3. Step 3: Cross multiply
    13,183.41x = 19,773.06 × 4,418.40
  4. Step 4: Simplify right side
    13,183.41x = 87,365,288.30
  5. Step 5: Solve for x
    x = 87,365,288.30/13,183.41
  6. Step 6: Final answer
    x = 6,626.91

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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.