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Finding the Fourth Proportional to 36,809.58, 50,797.21 and 20,042.58

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Solution

The fourth proportional to 36,809.58, 50,797.21 and 20,042.58 is: 27,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.58 : 50,797.21 = 20,042.58 : x
  2. Step 2: Convert to fraction form
    36,809.58/50,797.21 = 20,042.58/x
  3. Step 3: Cross multiply
    36,809.58x = 50,797.21 × 20,042.58
  4. Step 4: Simplify right side
    36,809.58x = 1,018,107,145.20
  5. Step 5: Solve for x
    x = 1,018,107,145.20/36,809.58
  6. Step 6: Final answer
    x = 27,658.75

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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.