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Finding the Fourth Proportional to 11,134.62, 16,702.20 and 3,343.50

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Solution

The fourth proportional to 11,134.62, 16,702.20 and 3,343.50 is: 5,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.62 : 16,702.20 = 3,343.50 : x
  2. Step 2: Convert to fraction form
    11,134.62/16,702.20 = 3,343.50/x
  3. Step 3: Cross multiply
    11,134.62x = 16,702.20 × 3,343.50
  4. Step 4: Simplify right side
    11,134.62x = 55,843,805.70
  5. Step 5: Solve for x
    x = 55,843,805.70/11,134.62
  6. Step 6: Final answer
    x = 5,015.33

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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.