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Finding the Fourth Proportional to 16,212.12, 22,372.74 and 8,760.12

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Solution

The fourth proportional to 16,212.12, 22,372.74 and 8,760.12 is: 12,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.12 : 22,372.74 = 8,760.12 : x
  2. Step 2: Convert to fraction form
    16,212.12/22,372.74 = 8,760.12/x
  3. Step 3: Cross multiply
    16,212.12x = 22,372.74 × 8,760.12
  4. Step 4: Simplify right side
    16,212.12x = 195,987,887.13
  5. Step 5: Solve for x
    x = 195,987,887.13/16,212.12
  6. Step 6: Final answer
    x = 12,088.97

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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.