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Finding the Fourth Proportional to 3,339.64, 4,608.84 and 2,081.44

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Solution

The fourth proportional to 3,339.64, 4,608.84 and 2,081.44 is: 2,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.64 : 4,608.84 = 2,081.44 : x
  2. Step 2: Convert to fraction form
    3,339.64/4,608.84 = 2,081.44/x
  3. Step 3: Cross multiply
    3,339.64x = 4,608.84 × 2,081.44
  4. Step 4: Simplify right side
    3,339.64x = 9,593,023.93
  5. Step 5: Solve for x
    x = 9,593,023.93/3,339.64
  6. Step 6: Final answer
    x = 2,872.47

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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.