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Finding the Fourth Proportional to 36,661.85, 50,593.11 and 20,745.95

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Solution

The fourth proportional to 36,661.85, 50,593.11 and 20,745.95 is: 28,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,661.85 : 50,593.11 = 20,745.95 : x
  2. Step 2: Convert to fraction form
    36,661.85/50,593.11 = 20,745.95/x
  3. Step 3: Cross multiply
    36,661.85x = 50,593.11 × 20,745.95
  4. Step 4: Simplify right side
    36,661.85x = 1,049,602,130.40
  5. Step 5: Solve for x
    x = 1,049,602,130.40/36,661.85
  6. Step 6: Final answer
    x = 28,629.27

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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.