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Finding the Fourth Proportional to 36,558.28, 50,450.40 and 19,791.28

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Solution

The fourth proportional to 36,558.28, 50,450.40 and 19,791.28 is: 27,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558.28 : 50,450.40 = 19,791.28 : x
  2. Step 2: Convert to fraction form
    36,558.28/50,450.40 = 19,791.28/x
  3. Step 3: Cross multiply
    36,558.28x = 50,450.40 × 19,791.28
  4. Step 4: Simplify right side
    36,558.28x = 998,477,992.51
  5. Step 5: Solve for x
    x = 998,477,992.51/36,558.28
  6. Step 6: Final answer
    x = 27,311.95

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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.