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Finding the Fourth Proportional to 36,649.62, 50,579.55 and 20,737.13

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Solution

The fourth proportional to 36,649.62, 50,579.55 and 20,737.13 is: 28,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.62 : 50,579.55 = 20,737.13 : x
  2. Step 2: Convert to fraction form
    36,649.62/50,579.55 = 20,737.13/x
  3. Step 3: Cross multiply
    36,649.62x = 50,579.55 × 20,737.13
  4. Step 4: Simplify right side
    36,649.62x = 1,048,874,450.79
  5. Step 5: Solve for x
    x = 1,048,874,450.79/36,649.62
  6. Step 6: Final answer
    x = 28,618.97

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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.