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Finding the Fourth Proportional to 2,439.64, 3,659.07 and 796.18

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Solution

The fourth proportional to 2,439.64, 3,659.07 and 796.18 is: 1,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.64 : 3,659.07 = 796.18 : x
  2. Step 2: Convert to fraction form
    2,439.64/3,659.07 = 796.18/x
  3. Step 3: Cross multiply
    2,439.64x = 3,659.07 × 796.18
  4. Step 4: Simplify right side
    2,439.64x = 2,913,278.35
  5. Step 5: Solve for x
    x = 2,913,278.35/2,439.64
  6. Step 6: Final answer
    x = 1,194.14

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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.