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Finding the Fourth Proportional to 41,992.96, 62,996.16 and 13,914.04

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Solution

The fourth proportional to 41,992.96, 62,996.16 and 13,914.04 is: 20,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992.96 : 62,996.16 = 13,914.04 : x
  2. Step 2: Convert to fraction form
    41,992.96/62,996.16 = 13,914.04/x
  3. Step 3: Cross multiply
    41,992.96x = 62,996.16 × 13,914.04
  4. Step 4: Simplify right side
    41,992.96x = 876,531,090.09
  5. Step 5: Solve for x
    x = 876,531,090.09/41,992.96
  6. Step 6: Final answer
    x = 20,873.29

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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.