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Finding the Fourth Proportional to 85,944.70, 128,902.17 and 23,600.62

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Solution

The fourth proportional to 85,944.70, 128,902.17 and 23,600.62 is: 35,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,944.70 : 128,902.17 = 23,600.62 : x
  2. Step 2: Convert to fraction form
    85,944.70/128,902.17 = 23,600.62/x
  3. Step 3: Cross multiply
    85,944.70x = 128,902.17 × 23,600.62
  4. Step 4: Simplify right side
    85,944.70x = 3,042,171,131.35
  5. Step 5: Solve for x
    x = 3,042,171,131.35/85,944.70
  6. Step 6: Final answer
    x = 35,396.84

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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.