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Finding the Fourth Proportional to 36,776.80, 50,750.52 and 20,009.80

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Solution

The fourth proportional to 36,776.80, 50,750.52 and 20,009.80 is: 27,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.80 : 50,750.52 = 20,009.80 : x
  2. Step 2: Convert to fraction form
    36,776.80/50,750.52 = 20,009.80/x
  3. Step 3: Cross multiply
    36,776.80x = 50,750.52 × 20,009.80
  4. Step 4: Simplify right side
    36,776.80x = 1,015,507,755.10
  5. Step 5: Solve for x
    x = 1,015,507,755.10/36,776.80
  6. Step 6: Final answer
    x = 27,612.73

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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.