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Finding the Fourth Proportional to 11,181.76, 16,775.52 and 4,252.48

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Solution

The fourth proportional to 11,181.76, 16,775.52 and 4,252.48 is: 6,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.76 : 16,775.52 = 4,252.48 : x
  2. Step 2: Convert to fraction form
    11,181.76/16,775.52 = 4,252.48/x
  3. Step 3: Cross multiply
    11,181.76x = 16,775.52 × 4,252.48
  4. Step 4: Simplify right side
    11,181.76x = 71,337,563.29
  5. Step 5: Solve for x
    x = 71,337,563.29/11,181.76
  6. Step 6: Final answer
    x = 6,379.82

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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.