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Finding the Fourth Proportional to 36,808.92, 50,794.56 and 20,891.25

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Solution

The fourth proportional to 36,808.92, 50,794.56 and 20,891.25 is: 28,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.92 : 50,794.56 = 20,891.25 : x
  2. Step 2: Convert to fraction form
    36,808.92/50,794.56 = 20,891.25/x
  3. Step 3: Cross multiply
    36,808.92x = 50,794.56 × 20,891.25
  4. Step 4: Simplify right side
    36,808.92x = 1,061,161,851.60
  5. Step 5: Solve for x
    x = 1,061,161,851.60/36,808.92
  6. Step 6: Final answer
    x = 28,828.93

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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.