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Finding the Fourth Proportional to 2,162.82, 3,244.74 and 701.86

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Solution

The fourth proportional to 2,162.82, 3,244.74 and 701.86 is: 1,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.82 : 3,244.74 = 701.86 : x
  2. Step 2: Convert to fraction form
    2,162.82/3,244.74 = 701.86/x
  3. Step 3: Cross multiply
    2,162.82x = 3,244.74 × 701.86
  4. Step 4: Simplify right side
    2,162.82x = 2,277,353.22
  5. Step 5: Solve for x
    x = 2,277,353.22/2,162.82
  6. Step 6: Final answer
    x = 1,052.96

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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.