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Finding the Fourth Proportional to 36,808.22, 50,796.87 and 20,894.15

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Solution

The fourth proportional to 36,808.22, 50,796.87 and 20,894.15 is: 28,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.22 : 50,796.87 = 20,894.15 : x
  2. Step 2: Convert to fraction form
    36,808.22/50,796.87 = 20,894.15/x
  3. Step 3: Cross multiply
    36,808.22x = 50,796.87 × 20,894.15
  4. Step 4: Simplify right side
    36,808.22x = 1,061,357,421.31
  5. Step 5: Solve for x
    x = 1,061,357,421.31/36,808.22
  6. Step 6: Final answer
    x = 28,834.79

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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.