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Finding the Fourth Proportional to 3,257.84, 4,891.62 and 3,144.44

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Solution

The fourth proportional to 3,257.84, 4,891.62 and 3,144.44 is: 4,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.84 : 4,891.62 = 3,144.44 : x
  2. Step 2: Convert to fraction form
    3,257.84/4,891.62 = 3,144.44/x
  3. Step 3: Cross multiply
    3,257.84x = 4,891.62 × 3,144.44
  4. Step 4: Simplify right side
    3,257.84x = 15,381,405.59
  5. Step 5: Solve for x
    x = 15,381,405.59/3,257.84
  6. Step 6: Final answer
    x = 4,721.35

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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.