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Finding the Fourth Proportional to 36,333.98, 50,135.59 and 20,199.99

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Solution

The fourth proportional to 36,333.98, 50,135.59 and 20,199.99 is: 27,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.98 : 50,135.59 = 20,199.99 : x
  2. Step 2: Convert to fraction form
    36,333.98/50,135.59 = 20,199.99/x
  3. Step 3: Cross multiply
    36,333.98x = 50,135.59 × 20,199.99
  4. Step 4: Simplify right side
    36,333.98x = 1,012,738,629.90
  5. Step 5: Solve for x
    x = 1,012,738,629.90/36,333.98
  6. Step 6: Final answer
    x = 27,873.05

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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.