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Finding the Fourth Proportional to 11,679.75, 16,002.93 and 11,523.93

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Solution

The fourth proportional to 11,679.75, 16,002.93 and 11,523.93 is: 15,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.75 : 16,002.93 = 11,523.93 : x
  2. Step 2: Convert to fraction form
    11,679.75/16,002.93 = 11,523.93/x
  3. Step 3: Cross multiply
    11,679.75x = 16,002.93 × 11,523.93
  4. Step 4: Simplify right side
    11,679.75x = 184,416,645.11
  5. Step 5: Solve for x
    x = 184,416,645.11/11,679.75
  6. Step 6: Final answer
    x = 15,789.43

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.