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Finding the Fourth Proportional to 36,362.97, 54,456.98 and 20,733.21

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Solution

The fourth proportional to 36,362.97, 54,456.98 and 20,733.21 is: 31,049.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,362.97 : 54,456.98 = 20,733.21 : x
  2. Step 2: Convert to fraction form
    36,362.97/54,456.98 = 20,733.21/x
  3. Step 3: Cross multiply
    36,362.97x = 54,456.98 × 20,733.21
  4. Step 4: Simplify right side
    36,362.97x = 1,129,067,898.64
  5. Step 5: Solve for x
    x = 1,129,067,898.64/36,362.97
  6. Step 6: Final answer
    x = 31,049.94

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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.