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Finding the Fourth Proportional to 4,388.66, 6,056.21 and 2,399.21

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Solution

The fourth proportional to 4,388.66, 6,056.21 and 2,399.21 is: 3,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.66 : 6,056.21 = 2,399.21 : x
  2. Step 2: Convert to fraction form
    4,388.66/6,056.21 = 2,399.21/x
  3. Step 3: Cross multiply
    4,388.66x = 6,056.21 × 2,399.21
  4. Step 4: Simplify right side
    4,388.66x = 14,530,119.59
  5. Step 5: Solve for x
    x = 14,530,119.59/4,388.66
  6. Step 6: Final answer
    x = 3,310.83

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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.