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Finding the Fourth Proportional to 41,992.01, 62,996.90 and 13,910.48

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Solution

The fourth proportional to 41,992.01, 62,996.90 and 13,910.48 is: 20,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992.01 : 62,996.90 = 13,910.48 : x
  2. Step 2: Convert to fraction form
    41,992.01/62,996.90 = 13,910.48/x
  3. Step 3: Cross multiply
    41,992.01x = 62,996.90 × 13,910.48
  4. Step 4: Simplify right side
    41,992.01x = 876,316,837.30
  5. Step 5: Solve for x
    x = 876,316,837.30/41,992.01
  6. Step 6: Final answer
    x = 20,868.66

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1.5x scale

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.