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Finding the Fourth Proportional to 32,170.62, 44,380.62 and 20,843.91

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Solution

The fourth proportional to 32,170.62, 44,380.62 and 20,843.91 is: 28,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,170.62 : 44,380.62 = 20,843.91 : x
  2. Step 2: Convert to fraction form
    32,170.62/44,380.62 = 20,843.91/x
  3. Step 3: Cross multiply
    32,170.62x = 44,380.62 × 20,843.91
  4. Step 4: Simplify right side
    32,170.62x = 925,065,649.02
  5. Step 5: Solve for x
    x = 925,065,649.02/32,170.62
  6. Step 6: Final answer
    x = 28,754.98

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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.