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Finding the Fourth Proportional to 10,994.44, 16,479.84 and 4,757.44

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Solution

The fourth proportional to 10,994.44, 16,479.84 and 4,757.44 is: 7,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.44 : 16,479.84 = 4,757.44 : x
  2. Step 2: Convert to fraction form
    10,994.44/16,479.84 = 4,757.44/x
  3. Step 3: Cross multiply
    10,994.44x = 16,479.84 × 4,757.44
  4. Step 4: Simplify right side
    10,994.44x = 78,401,850.01
  5. Step 5: Solve for x
    x = 78,401,850.01/10,994.44
  6. Step 6: Final answer
    x = 7,131.05

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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.