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Finding the Fourth Proportional to 36,808.55, 50,796.48 and 20,894.03

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Solution

The fourth proportional to 36,808.55, 50,796.48 and 20,894.03 is: 28,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.55 : 50,796.48 = 20,894.03 : x
  2. Step 2: Convert to fraction form
    36,808.55/50,796.48 = 20,894.03/x
  3. Step 3: Cross multiply
    36,808.55x = 50,796.48 × 20,894.03
  4. Step 4: Simplify right side
    36,808.55x = 1,061,342,923.03
  5. Step 5: Solve for x
    x = 1,061,342,923.03/36,808.55
  6. Step 6: Final answer
    x = 28,834.14

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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.