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Finding the Fourth Proportional to 11,627.26, 16,044.16 and 7,858.62

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Solution

The fourth proportional to 11,627.26, 16,044.16 and 7,858.62 is: 10,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.26 : 16,044.16 = 7,858.62 : x
  2. Step 2: Convert to fraction form
    11,627.26/16,044.16 = 7,858.62/x
  3. Step 3: Cross multiply
    11,627.26x = 16,044.16 × 7,858.62
  4. Step 4: Simplify right side
    11,627.26x = 126,084,956.66
  5. Step 5: Solve for x
    x = 126,084,956.66/11,627.26
  6. Step 6: Final answer
    x = 10,843.91

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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.