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Finding the Fourth Proportional to 36,640.49, 50,565.02 and 20,724.62

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Solution

The fourth proportional to 36,640.49, 50,565.02 and 20,724.62 is: 28,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.49 : 50,565.02 = 20,724.62 : x
  2. Step 2: Convert to fraction form
    36,640.49/50,565.02 = 20,724.62/x
  3. Step 3: Cross multiply
    36,640.49x = 50,565.02 × 20,724.62
  4. Step 4: Simplify right side
    36,640.49x = 1,047,940,468.34
  5. Step 5: Solve for x
    x = 1,047,940,468.34/36,640.49
  6. Step 6: Final answer
    x = 28,600.62

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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.