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Finding the Fourth Proportional to 36,649.92, 50,575.41 and 20,737.68

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Solution

The fourth proportional to 36,649.92, 50,575.41 and 20,737.68 is: 28,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.92 : 50,575.41 = 20,737.68 : x
  2. Step 2: Convert to fraction form
    36,649.92/50,575.41 = 20,737.68/x
  3. Step 3: Cross multiply
    36,649.92x = 50,575.41 × 20,737.68
  4. Step 4: Simplify right side
    36,649.92x = 1,048,816,668.45
  5. Step 5: Solve for x
    x = 1,048,816,668.45/36,649.92
  6. Step 6: Final answer
    x = 28,617.16

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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.