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Finding the Fourth Proportional to 11,253.16, 16,879.78 and 3,461.92

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Solution

The fourth proportional to 11,253.16, 16,879.78 and 3,461.92 is: 5,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.16 : 16,879.78 = 3,461.92 : x
  2. Step 2: Convert to fraction form
    11,253.16/16,879.78 = 3,461.92/x
  3. Step 3: Cross multiply
    11,253.16x = 16,879.78 × 3,461.92
  4. Step 4: Simplify right side
    11,253.16x = 58,436,447.98
  5. Step 5: Solve for x
    x = 58,436,447.98/11,253.16
  6. Step 6: Final answer
    x = 5,192.89

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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.