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Finding the Fourth Proportional to 8,441.69, 11,652 and 4,906.31

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Solution

The fourth proportional to 8,441.69, 11,652 and 4,906.31 is: 6,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.69 : 11,652 = 4,906.31 : x
  2. Step 2: Convert to fraction form
    8,441.69/11,652 = 4,906.31/x
  3. Step 3: Cross multiply
    8,441.69x = 11,652 × 4,906.31
  4. Step 4: Simplify right side
    8,441.69x = 57,168,324.12
  5. Step 5: Solve for x
    x = 57,168,324.12/8,441.69
  6. Step 6: Final answer
    x = 6,772.14

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Why These Related Problems?

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