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Finding the Fourth Proportional to 80,592.60, 120,845.70 and 33,792.60

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Solution

The fourth proportional to 80,592.60, 120,845.70 and 33,792.60 is: 50,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.60 : 120,845.70 = 33,792.60 : x
  2. Step 2: Convert to fraction form
    80,592.60/120,845.70 = 33,792.60/x
  3. Step 3: Cross multiply
    80,592.60x = 120,845.70 × 33,792.60
  4. Step 4: Simplify right side
    80,592.60x = 4,083,690,401.82
  5. Step 5: Solve for x
    x = 4,083,690,401.82/80,592.60
  6. Step 6: Final answer
    x = 50,670.79

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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.