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Finding the Fourth Proportional to 36,509.91, 50,383.67 and 19,742.91

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Solution

The fourth proportional to 36,509.91, 50,383.67 and 19,742.91 is: 27,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,509.91 : 50,383.67 = 19,742.91 : x
  2. Step 2: Convert to fraction form
    36,509.91/50,383.67 = 19,742.91/x
  3. Step 3: Cross multiply
    36,509.91x = 50,383.67 × 19,742.91
  4. Step 4: Simplify right side
    36,509.91x = 994,720,122.70
  5. Step 5: Solve for x
    x = 994,720,122.70/36,509.91
  6. Step 6: Final answer
    x = 27,245.21

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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.