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Finding the Fourth Proportional to 36,556.57, 50,448.42 and 21,449.49

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Solution

The fourth proportional to 36,556.57, 50,448.42 and 21,449.49 is: 29,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.57 : 50,448.42 = 21,449.49 : x
  2. Step 2: Convert to fraction form
    36,556.57/50,448.42 = 21,449.49/x
  3. Step 3: Cross multiply
    36,556.57x = 50,448.42 × 21,449.49
  4. Step 4: Simplify right side
    36,556.57x = 1,082,092,880.31
  5. Step 5: Solve for x
    x = 1,082,092,880.31/36,556.57
  6. Step 6: Final answer
    x = 29,600.50

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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.