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Finding the Fourth Proportional to 11,327.69, 16,986.05 and 4,752.11

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Solution

The fourth proportional to 11,327.69, 16,986.05 and 4,752.11 is: 7,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.69 : 16,986.05 = 4,752.11 : x
  2. Step 2: Convert to fraction form
    11,327.69/16,986.05 = 4,752.11/x
  3. Step 3: Cross multiply
    11,327.69x = 16,986.05 × 4,752.11
  4. Step 4: Simplify right side
    11,327.69x = 80,719,469.37
  5. Step 5: Solve for x
    x = 80,719,469.37/11,327.69
  6. Step 6: Final answer
    x = 7,125.86

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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.