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Finding the Fourth Proportional to 36,937.84, 50,974.16 and 20,170.84

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Solution

The fourth proportional to 36,937.84, 50,974.16 and 20,170.84 is: 27,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937.84 : 50,974.16 = 20,170.84 : x
  2. Step 2: Convert to fraction form
    36,937.84/50,974.16 = 20,170.84/x
  3. Step 3: Cross multiply
    36,937.84x = 50,974.16 × 20,170.84
  4. Step 4: Simplify right side
    36,937.84x = 1,028,191,625.49
  5. Step 5: Solve for x
    x = 1,028,191,625.49/36,937.84
  6. Step 6: Final answer
    x = 27,835.73

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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.