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Finding the Fourth Proportional to 3,494.54, 4,822.63 and 2,168.67

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Solution

The fourth proportional to 3,494.54, 4,822.63 and 2,168.67 is: 2,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.54 : 4,822.63 = 2,168.67 : x
  2. Step 2: Convert to fraction form
    3,494.54/4,822.63 = 2,168.67/x
  3. Step 3: Cross multiply
    3,494.54x = 4,822.63 × 2,168.67
  4. Step 4: Simplify right side
    3,494.54x = 10,458,705.67
  5. Step 5: Solve for x
    x = 10,458,705.67/3,494.54
  6. Step 6: Final answer
    x = 2,992.87

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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.