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Finding the Fourth Proportional to 36,899.34, 50,920.92 and 20,132.34

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Solution

The fourth proportional to 36,899.34, 50,920.92 and 20,132.34 is: 27,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.34 : 50,920.92 = 20,132.34 : x
  2. Step 2: Convert to fraction form
    36,899.34/50,920.92 = 20,132.34/x
  3. Step 3: Cross multiply
    36,899.34x = 50,920.92 × 20,132.34
  4. Step 4: Simplify right side
    36,899.34x = 1,025,157,274.55
  5. Step 5: Solve for x
    x = 1,025,157,274.55/36,899.34
  6. Step 6: Final answer
    x = 27,782.54

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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.