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Finding the Fourth Proportional to 5,446.39, 8,168.81 and 1,748.14

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Solution

The fourth proportional to 5,446.39, 8,168.81 and 1,748.14 is: 2,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.39 : 8,168.81 = 1,748.14 : x
  2. Step 2: Convert to fraction form
    5,446.39/8,168.81 = 1,748.14/x
  3. Step 3: Cross multiply
    5,446.39x = 8,168.81 × 1,748.14
  4. Step 4: Simplify right side
    5,446.39x = 14,280,198.72
  5. Step 5: Solve for x
    x = 14,280,198.72/5,446.39
  6. Step 6: Final answer
    x = 2,621.96

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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.