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Finding the Fourth Proportional to 36,841.92, 50,841.72 and 20,923.20

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Solution

The fourth proportional to 36,841.92, 50,841.72 and 20,923.20 is: 28,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,841.92 : 50,841.72 = 20,923.20 : x
  2. Step 2: Convert to fraction form
    36,841.92/50,841.72 = 20,923.20/x
  3. Step 3: Cross multiply
    36,841.92x = 50,841.72 × 20,923.20
  4. Step 4: Simplify right side
    36,841.92x = 1,063,771,475.90
  5. Step 5: Solve for x
    x = 1,063,771,475.90/36,841.92
  6. Step 6: Final answer
    x = 28,873.94

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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.