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Finding the Fourth Proportional to 80,496.26, 120,717.05 and 27,893.46

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Solution

The fourth proportional to 80,496.26, 120,717.05 and 27,893.46 is: 41,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496.26 : 120,717.05 = 27,893.46 : x
  2. Step 2: Convert to fraction form
    80,496.26/120,717.05 = 27,893.46/x
  3. Step 3: Cross multiply
    80,496.26x = 120,717.05 × 27,893.46
  4. Step 4: Simplify right side
    80,496.26x = 3,367,216,066.03
  5. Step 5: Solve for x
    x = 3,367,216,066.03/80,496.26
  6. Step 6: Final answer
    x = 41,830.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.