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Finding the Fourth Proportional to 36,354.20, 50,168.51 and 20,220.98

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Solution

The fourth proportional to 36,354.20, 50,168.51 and 20,220.98 is: 27,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,354.20 : 50,168.51 = 20,220.98 : x
  2. Step 2: Convert to fraction form
    36,354.20/50,168.51 = 20,220.98/x
  3. Step 3: Cross multiply
    36,354.20x = 50,168.51 × 20,220.98
  4. Step 4: Simplify right side
    36,354.20x = 1,014,456,085.39
  5. Step 5: Solve for x
    x = 1,014,456,085.39/36,354.20
  6. Step 6: Final answer
    x = 27,904.79

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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.