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Finding the Fourth Proportional to 36,469.80, 54,713.51 and 18,693.14

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Solution

The fourth proportional to 36,469.80, 54,713.51 and 18,693.14 is: 28,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.80 : 54,713.51 = 18,693.14 : x
  2. Step 2: Convert to fraction form
    36,469.80/54,713.51 = 18,693.14/x
  3. Step 3: Cross multiply
    36,469.80x = 54,713.51 × 18,693.14
  4. Step 4: Simplify right side
    36,469.80x = 1,022,766,935.29
  5. Step 5: Solve for x
    x = 1,022,766,935.29/36,469.80
  6. Step 6: Final answer
    x = 28,044.22

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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.