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Finding the Fourth Proportional to 5,408.66, 8,112.99 and 2,944.64

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Solution

The fourth proportional to 5,408.66, 8,112.99 and 2,944.64 is: 4,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.66 : 8,112.99 = 2,944.64 : x
  2. Step 2: Convert to fraction form
    5,408.66/8,112.99 = 2,944.64/x
  3. Step 3: Cross multiply
    5,408.66x = 8,112.99 × 2,944.64
  4. Step 4: Simplify right side
    5,408.66x = 23,889,834.87
  5. Step 5: Solve for x
    x = 23,889,834.87/5,408.66
  6. Step 6: Final answer
    x = 4,416.96

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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.