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Finding the Fourth Proportional to 3,168.48, 4,747.86 and 2,682.48

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Solution

The fourth proportional to 3,168.48, 4,747.86 and 2,682.48 is: 4,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.48 : 4,747.86 = 2,682.48 : x
  2. Step 2: Convert to fraction form
    3,168.48/4,747.86 = 2,682.48/x
  3. Step 3: Cross multiply
    3,168.48x = 4,747.86 × 2,682.48
  4. Step 4: Simplify right side
    3,168.48x = 12,736,039.49
  5. Step 5: Solve for x
    x = 12,736,039.49/3,168.48
  6. Step 6: Final answer
    x = 4,019.61

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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.