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Finding the Fourth Proportional to 62,145.75, 85,772.25 and 36,650.55

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Solution

The fourth proportional to 62,145.75, 85,772.25 and 36,650.55 is: 50,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.75 : 85,772.25 = 36,650.55 : x
  2. Step 2: Convert to fraction form
    62,145.75/85,772.25 = 36,650.55/x
  3. Step 3: Cross multiply
    62,145.75x = 85,772.25 × 36,650.55
  4. Step 4: Simplify right side
    62,145.75x = 3,143,600,137.24
  5. Step 5: Solve for x
    x = 3,143,600,137.24/62,145.75
  6. Step 6: Final answer
    x = 50,584.31

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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.