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Finding the Fourth Proportional to 36,392.59, 54,588.89 and 20,799.28

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Solution

The fourth proportional to 36,392.59, 54,588.89 and 20,799.28 is: 31,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.59 : 54,588.89 = 20,799.28 : x
  2. Step 2: Convert to fraction form
    36,392.59/54,588.89 = 20,799.28/x
  3. Step 3: Cross multiply
    36,392.59x = 54,588.89 × 20,799.28
  4. Step 4: Simplify right side
    36,392.59x = 1,135,409,611.24
  5. Step 5: Solve for x
    x = 1,135,409,611.24/36,392.59
  6. Step 6: Final answer
    x = 31,198.92

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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.