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Finding the Fourth Proportional to 33,892.48, 50,848.32 and 18,321.28

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Solution

The fourth proportional to 33,892.48, 50,848.32 and 18,321.28 is: 27,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,892.48 : 50,848.32 = 18,321.28 : x
  2. Step 2: Convert to fraction form
    33,892.48/50,848.32 = 18,321.28/x
  3. Step 3: Cross multiply
    33,892.48x = 50,848.32 × 18,321.28
  4. Step 4: Simplify right side
    33,892.48x = 931,606,308.25
  5. Step 5: Solve for x
    x = 931,606,308.25/33,892.48
  6. Step 6: Final answer
    x = 27,487.11

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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.