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Finding the Fourth Proportional to 11,263.92, 16,899.14 and 3,473.88

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Solution

The fourth proportional to 11,263.92, 16,899.14 and 3,473.88 is: 5,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.92 : 16,899.14 = 3,473.88 : x
  2. Step 2: Convert to fraction form
    11,263.92/16,899.14 = 3,473.88/x
  3. Step 3: Cross multiply
    11,263.92x = 16,899.14 × 3,473.88
  4. Step 4: Simplify right side
    11,263.92x = 58,705,584.46
  5. Step 5: Solve for x
    x = 58,705,584.46/11,263.92
  6. Step 6: Final answer
    x = 5,211.83

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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.