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Finding the Fourth Proportional to 11,101.24, 16,660.04 and 5,257.84

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Solution

The fourth proportional to 11,101.24, 16,660.04 and 5,257.84 is: 7,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.24 : 16,660.04 = 5,257.84 : x
  2. Step 2: Convert to fraction form
    11,101.24/16,660.04 = 5,257.84/x
  3. Step 3: Cross multiply
    11,101.24x = 16,660.04 × 5,257.84
  4. Step 4: Simplify right side
    11,101.24x = 87,595,824.71
  5. Step 5: Solve for x
    x = 87,595,824.71/11,101.24
  6. Step 6: Final answer
    x = 7,890.63

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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.