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Finding the Fourth Proportional to 11,112, 16,676.19 and 5,268.62

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Solution

The fourth proportional to 11,112, 16,676.19 and 5,268.62 is: 7,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112 : 16,676.19 = 5,268.62 : x
  2. Step 2: Convert to fraction form
    11,112/16,676.19 = 5,268.62/x
  3. Step 3: Cross multiply
    11,112x = 16,676.19 × 5,268.62
  4. Step 4: Simplify right side
    11,112x = 87,860,424.78
  5. Step 5: Solve for x
    x = 87,860,424.78/11,112
  6. Step 6: Final answer
    x = 7,906.81

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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.