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Finding the Fourth Proportional to 33,995.79, 50,936.14 and 20,820.64

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Solution

The fourth proportional to 33,995.79, 50,936.14 and 20,820.64 is: 31,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.79 : 50,936.14 = 20,820.64 : x
  2. Step 2: Convert to fraction form
    33,995.79/50,936.14 = 20,820.64/x
  3. Step 3: Cross multiply
    33,995.79x = 50,936.14 × 20,820.64
  4. Step 4: Simplify right side
    33,995.79x = 1,060,523,033.93
  5. Step 5: Solve for x
    x = 1,060,523,033.93/33,995.79
  6. Step 6: Final answer
    x = 31,195.72

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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.