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Finding the Fourth Proportional to 36,573.75, 50,472.75 and 20,660.55

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Solution

The fourth proportional to 36,573.75, 50,472.75 and 20,660.55 is: 28,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.75 : 50,472.75 = 20,660.55 : x
  2. Step 2: Convert to fraction form
    36,573.75/50,472.75 = 20,660.55/x
  3. Step 3: Cross multiply
    36,573.75x = 50,472.75 × 20,660.55
  4. Step 4: Simplify right side
    36,573.75x = 1,042,794,775.01
  5. Step 5: Solve for x
    x = 1,042,794,775.01/36,573.75
  6. Step 6: Final answer
    x = 28,512.11

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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.