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Finding the Fourth Proportional to 36,632.81, 50,553.36 and 19,865.81

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Solution

The fourth proportional to 36,632.81, 50,553.36 and 19,865.81 is: 27,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,632.81 : 50,553.36 = 19,865.81 : x
  2. Step 2: Convert to fraction form
    36,632.81/50,553.36 = 19,865.81/x
  3. Step 3: Cross multiply
    36,632.81x = 50,553.36 × 19,865.81
  4. Step 4: Simplify right side
    36,632.81x = 1,004,283,191.85
  5. Step 5: Solve for x
    x = 1,004,283,191.85/36,632.81
  6. Step 6: Final answer
    x = 27,414.86

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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.