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Finding the Fourth Proportional to 36,951.12, 50,991.12 and 20,184.12

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Solution

The fourth proportional to 36,951.12, 50,991.12 and 20,184.12 is: 27,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.12 : 50,991.12 = 20,184.12 : x
  2. Step 2: Convert to fraction form
    36,951.12/50,991.12 = 20,184.12/x
  3. Step 3: Cross multiply
    36,951.12x = 50,991.12 × 20,184.12
  4. Step 4: Simplify right side
    36,951.12x = 1,029,210,885.01
  5. Step 5: Solve for x
    x = 1,029,210,885.01/36,951.12
  6. Step 6: Final answer
    x = 27,853.31

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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.