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Finding the Fourth Proportional to 36,561.87, 50,455.71 and 19,794.87

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Solution

The fourth proportional to 36,561.87, 50,455.71 and 19,794.87 is: 27,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.87 : 50,455.71 = 19,794.87 : x
  2. Step 2: Convert to fraction form
    36,561.87/50,455.71 = 19,794.87/x
  3. Step 3: Cross multiply
    36,561.87x = 50,455.71 × 19,794.87
  4. Step 4: Simplify right side
    36,561.87x = 998,764,220.21
  5. Step 5: Solve for x
    x = 998,764,220.21/36,561.87
  6. Step 6: Final answer
    x = 27,317.10

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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.