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Finding the Fourth Proportional to 36,559.44, 50,454 and 20,644.56

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Solution

The fourth proportional to 36,559.44, 50,454 and 20,644.56 is: 28,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,559.44 : 50,454 = 20,644.56 : x
  2. Step 2: Convert to fraction form
    36,559.44/50,454 = 20,644.56/x
  3. Step 3: Cross multiply
    36,559.44x = 50,454 × 20,644.56
  4. Step 4: Simplify right side
    36,559.44x = 1,041,600,630.24
  5. Step 5: Solve for x
    x = 1,041,600,630.24/36,559.44
  6. Step 6: Final answer
    x = 28,490.61

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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.