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Finding the Fourth Proportional to 11,845.78, 16,352.48 and 7,814.97

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Solution

The fourth proportional to 11,845.78, 16,352.48 and 7,814.97 is: 10,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.78 : 16,352.48 = 7,814.97 : x
  2. Step 2: Convert to fraction form
    11,845.78/16,352.48 = 7,814.97/x
  3. Step 3: Cross multiply
    11,845.78x = 16,352.48 × 7,814.97
  4. Step 4: Simplify right side
    11,845.78x = 127,794,160.16
  5. Step 5: Solve for x
    x = 127,794,160.16/11,845.78
  6. Step 6: Final answer
    x = 10,788.16

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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.