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Finding the Fourth Proportional to 36,372.46, 50,186.46 and 21,262.20

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Solution

The fourth proportional to 36,372.46, 50,186.46 and 21,262.20 is: 29,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,372.46 : 50,186.46 = 21,262.20 : x
  2. Step 2: Convert to fraction form
    36,372.46/50,186.46 = 21,262.20/x
  3. Step 3: Cross multiply
    36,372.46x = 50,186.46 × 21,262.20
  4. Step 4: Simplify right side
    36,372.46x = 1,067,074,549.81
  5. Step 5: Solve for x
    x = 1,067,074,549.81/36,372.46
  6. Step 6: Final answer
    x = 29,337.43

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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.