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Finding the Fourth Proportional to 36,379.80, 50,207.04 and 20,463.30

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Solution

The fourth proportional to 36,379.80, 50,207.04 and 20,463.30 is: 28,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.80 : 50,207.04 = 20,463.30 : x
  2. Step 2: Convert to fraction form
    36,379.80/50,207.04 = 20,463.30/x
  3. Step 3: Cross multiply
    36,379.80x = 50,207.04 × 20,463.30
  4. Step 4: Simplify right side
    36,379.80x = 1,027,401,721.63
  5. Step 5: Solve for x
    x = 1,027,401,721.63/36,379.80
  6. Step 6: Final answer
    x = 28,240.99

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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.