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Finding the Fourth Proportional to 11,189.49, 16,773.81 and 3,788.79

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Solution

The fourth proportional to 11,189.49, 16,773.81 and 3,788.79 is: 5,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.49 : 16,773.81 = 3,788.79 : x
  2. Step 2: Convert to fraction form
    11,189.49/16,773.81 = 3,788.79/x
  3. Step 3: Cross multiply
    11,189.49x = 16,773.81 × 3,788.79
  4. Step 4: Simplify right side
    11,189.49x = 63,552,443.59
  5. Step 5: Solve for x
    x = 63,552,443.59/11,189.49
  6. Step 6: Final answer
    x = 5,679.66

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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.