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Finding the Fourth Proportional to 36,471.87, 54,713.88 and 11,506.05

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Solution

The fourth proportional to 36,471.87, 54,713.88 and 11,506.05 is: 17,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.87 : 54,713.88 = 11,506.05 : x
  2. Step 2: Convert to fraction form
    36,471.87/54,713.88 = 11,506.05/x
  3. Step 3: Cross multiply
    36,471.87x = 54,713.88 × 11,506.05
  4. Step 4: Simplify right side
    36,471.87x = 629,540,638.97
  5. Step 5: Solve for x
    x = 629,540,638.97/36,471.87
  6. Step 6: Final answer
    x = 17,260.99

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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.