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Finding the Fourth Proportional to 36,558, 50,450.40 and 19,791.36

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Solution

The fourth proportional to 36,558, 50,450.40 and 19,791.36 is: 27,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558 : 50,450.40 = 19,791.36 : x
  2. Step 2: Convert to fraction form
    36,558/50,450.40 = 19,791.36/x
  3. Step 3: Cross multiply
    36,558x = 50,450.40 × 19,791.36
  4. Step 4: Simplify right side
    36,558x = 998,482,028.54
  5. Step 5: Solve for x
    x = 998,482,028.54/36,558
  6. Step 6: Final answer
    x = 27,312.27

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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.