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Finding the Fourth Proportional to 8,188.26, 11,296.82 and 4,649.42

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Solution

The fourth proportional to 8,188.26, 11,296.82 and 4,649.42 is: 6,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.26 : 11,296.82 = 4,649.42 : x
  2. Step 2: Convert to fraction form
    8,188.26/11,296.82 = 4,649.42/x
  3. Step 3: Cross multiply
    8,188.26x = 11,296.82 × 4,649.42
  4. Step 4: Simplify right side
    8,188.26x = 52,523,660.84
  5. Step 5: Solve for x
    x = 52,523,660.84/8,188.26
  6. Step 6: Final answer
    x = 6,414.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.