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Finding the Fourth Proportional to 3,474.27, 4,794.93 and 1,962.12

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Solution

The fourth proportional to 3,474.27, 4,794.93 and 1,962.12 is: 2,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.27 : 4,794.93 = 1,962.12 : x
  2. Step 2: Convert to fraction form
    3,474.27/4,794.93 = 1,962.12/x
  3. Step 3: Cross multiply
    3,474.27x = 4,794.93 × 1,962.12
  4. Step 4: Simplify right side
    3,474.27x = 9,408,228.05
  5. Step 5: Solve for x
    x = 9,408,228.05/3,474.27
  6. Step 6: Final answer
    x = 2,707.97

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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.