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Finding the Fourth Proportional to 33,994.20, 50,991.34 and 10,620.76

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Solution

The fourth proportional to 33,994.20, 50,991.34 and 10,620.76 is: 15,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.20 : 50,991.34 = 10,620.76 : x
  2. Step 2: Convert to fraction form
    33,994.20/50,991.34 = 10,620.76/x
  3. Step 3: Cross multiply
    33,994.20x = 50,991.34 × 10,620.76
  4. Step 4: Simplify right side
    33,994.20x = 541,566,784.22
  5. Step 5: Solve for x
    x = 541,566,784.22/33,994.20
  6. Step 6: Final answer
    x = 15,931.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.