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Finding the Fourth Proportional to 36,705.86, 50,654.22 and 20,793.38

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Solution

The fourth proportional to 36,705.86, 50,654.22 and 20,793.38 is: 28,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.86 : 50,654.22 = 20,793.38 : x
  2. Step 2: Convert to fraction form
    36,705.86/50,654.22 = 20,793.38/x
  3. Step 3: Cross multiply
    36,705.86x = 50,654.22 × 20,793.38
  4. Step 4: Simplify right side
    36,705.86x = 1,053,272,445.06
  5. Step 5: Solve for x
    x = 1,053,272,445.06/36,705.86
  6. Step 6: Final answer
    x = 28,694.94

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1.5x scale

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.