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Finding the Fourth Proportional to 36,762.62, 50,743.96 and 20,857.64

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Solution

The fourth proportional to 36,762.62, 50,743.96 and 20,857.64 is: 28,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762.62 : 50,743.96 = 20,857.64 : x
  2. Step 2: Convert to fraction form
    36,762.62/50,743.96 = 20,857.64/x
  3. Step 3: Cross multiply
    36,762.62x = 50,743.96 × 20,857.64
  4. Step 4: Simplify right side
    36,762.62x = 1,058,399,249.85
  5. Step 5: Solve for x
    x = 1,058,399,249.85/36,762.62
  6. Step 6: Final answer
    x = 28,790.09

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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.