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Finding the Fourth Proportional to 36,279.20, 50,687.20 and 36,279.20

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Solution

The fourth proportional to 36,279.20, 50,687.20 and 36,279.20 is: 50,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.20 : 50,687.20 = 36,279.20 : x
  2. Step 2: Convert to fraction form
    36,279.20/50,687.20 = 36,279.20/x
  3. Step 3: Cross multiply
    36,279.20x = 50,687.20 × 36,279.20
  4. Step 4: Simplify right side
    36,279.20x = 1,838,891,066.24
  5. Step 5: Solve for x
    x = 1,838,891,066.24/36,279.20
  6. Step 6: Final answer
    x = 50,687.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.