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Finding the Fourth Proportional to 65,224.92, 90,010.74 and 36,936.12

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Solution

The fourth proportional to 65,224.92, 90,010.74 and 36,936.12 is: 50,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,224.92 : 90,010.74 = 36,936.12 : x
  2. Step 2: Convert to fraction form
    65,224.92/90,010.74 = 36,936.12/x
  3. Step 3: Cross multiply
    65,224.92x = 90,010.74 × 36,936.12
  4. Step 4: Simplify right side
    65,224.92x = 3,324,647,493.93
  5. Step 5: Solve for x
    x = 3,324,647,493.93/65,224.92
  6. Step 6: Final answer
    x = 50,972.04

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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.