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Finding the Fourth Proportional to 36,801.92, 50,784.90 and 20,884.21

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Solution

The fourth proportional to 36,801.92, 50,784.90 and 20,884.21 is: 28,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.92 : 50,784.90 = 20,884.21 : x
  2. Step 2: Convert to fraction form
    36,801.92/50,784.90 = 20,884.21/x
  3. Step 3: Cross multiply
    36,801.92x = 50,784.90 × 20,884.21
  4. Step 4: Simplify right side
    36,801.92x = 1,060,602,516.43
  5. Step 5: Solve for x
    x = 1,060,602,516.43/36,801.92
  6. Step 6: Final answer
    x = 28,819.22

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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.