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Finding the Fourth Proportional to 36,806.50, 50,794.05 and 20,040.58

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Solution

The fourth proportional to 36,806.50, 50,794.05 and 20,040.58 is: 27,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.50 : 50,794.05 = 20,040.58 : x
  2. Step 2: Convert to fraction form
    36,806.50/50,794.05 = 20,040.58/x
  3. Step 3: Cross multiply
    36,806.50x = 50,794.05 × 20,040.58
  4. Step 4: Simplify right side
    36,806.50x = 1,017,942,222.55
  5. Step 5: Solve for x
    x = 1,017,942,222.55/36,806.50
  6. Step 6: Final answer
    x = 27,656.59

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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.