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Finding the Fourth Proportional to 57,735.45, 79,640.28 and 35,062.92

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Solution

The fourth proportional to 57,735.45, 79,640.28 and 35,062.92 is: 48,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,735.45 : 79,640.28 = 35,062.92 : x
  2. Step 2: Convert to fraction form
    57,735.45/79,640.28 = 35,062.92/x
  3. Step 3: Cross multiply
    57,735.45x = 79,640.28 × 35,062.92
  4. Step 4: Simplify right side
    57,735.45x = 2,792,420,766.42
  5. Step 5: Solve for x
    x = 2,792,420,766.42/57,735.45
  6. Step 6: Final answer
    x = 48,365.79

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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.