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Finding the Fourth Proportional to 63,640.80, 95,563.20 and 50,601.60

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Solution

The fourth proportional to 63,640.80, 95,563.20 and 50,601.60 is: 75,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.80 : 95,563.20 = 50,601.60 : x
  2. Step 2: Convert to fraction form
    63,640.80/95,563.20 = 50,601.60/x
  3. Step 3: Cross multiply
    63,640.80x = 95,563.20 × 50,601.60
  4. Step 4: Simplify right side
    63,640.80x = 4,835,650,821.12
  5. Step 5: Solve for x
    x = 4,835,650,821.12/63,640.80
  6. Step 6: Final answer
    x = 75,983.50

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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.