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Finding the Fourth Proportional to 36,395.97, 54,593.97 and 20,802.66

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Solution

The fourth proportional to 36,395.97, 54,593.97 and 20,802.66 is: 31,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.97 : 54,593.97 = 20,802.66 : x
  2. Step 2: Convert to fraction form
    36,395.97/54,593.97 = 20,802.66/x
  3. Step 3: Cross multiply
    36,395.97x = 54,593.97 × 20,802.66
  4. Step 4: Simplify right side
    36,395.97x = 1,135,699,513.22
  5. Step 5: Solve for x
    x = 1,135,699,513.22/36,395.97
  6. Step 6: Final answer
    x = 31,203.99

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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.