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Finding the Fourth Proportional to 11,235.54, 16,844.04 and 4,481.79

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Solution

The fourth proportional to 11,235.54, 16,844.04 and 4,481.79 is: 6,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.54 : 16,844.04 = 4,481.79 : x
  2. Step 2: Convert to fraction form
    11,235.54/16,844.04 = 4,481.79/x
  3. Step 3: Cross multiply
    11,235.54x = 16,844.04 × 4,481.79
  4. Step 4: Simplify right side
    11,235.54x = 75,491,450.03
  5. Step 5: Solve for x
    x = 75,491,450.03/11,235.54
  6. Step 6: Final answer
    x = 6,718.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.