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Finding the Fourth Proportional to 11,170.67, 16,754.17 and 3,774.96

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Solution

The fourth proportional to 11,170.67, 16,754.17 and 3,774.96 is: 5,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.67 : 16,754.17 = 3,774.96 : x
  2. Step 2: Convert to fraction form
    11,170.67/16,754.17 = 3,774.96/x
  3. Step 3: Cross multiply
    11,170.67x = 16,754.17 × 3,774.96
  4. Step 4: Simplify right side
    11,170.67x = 63,246,321.58
  5. Step 5: Solve for x
    x = 63,246,321.58/11,170.67
  6. Step 6: Final answer
    x = 5,661.82

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1.5x scale

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.