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Finding the Fourth Proportional to 3,269.77, 4,512.17 and 1,944.07

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Solution

The fourth proportional to 3,269.77, 4,512.17 and 1,944.07 is: 2,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.77 : 4,512.17 = 1,944.07 : x
  2. Step 2: Convert to fraction form
    3,269.77/4,512.17 = 1,944.07/x
  3. Step 3: Cross multiply
    3,269.77x = 4,512.17 × 1,944.07
  4. Step 4: Simplify right side
    3,269.77x = 8,771,967.91
  5. Step 5: Solve for x
    x = 8,771,967.91/3,269.77
  6. Step 6: Final answer
    x = 2,682.75

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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.