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Finding the Fourth Proportional to 36,520.81, 50,398.73 and 19,753.81

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Solution

The fourth proportional to 36,520.81, 50,398.73 and 19,753.81 is: 27,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.81 : 50,398.73 = 19,753.81 : x
  2. Step 2: Convert to fraction form
    36,520.81/50,398.73 = 19,753.81/x
  3. Step 3: Cross multiply
    36,520.81x = 50,398.73 × 19,753.81
  4. Step 4: Simplify right side
    36,520.81x = 995,566,936.66
  5. Step 5: Solve for x
    x = 995,566,936.66/36,520.81
  6. Step 6: Final answer
    x = 27,260.26

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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.