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Finding the Fourth Proportional to 3,806.97, 5,709.77 and 1,033.26

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Solution

The fourth proportional to 3,806.97, 5,709.77 and 1,033.26 is: 1,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.97 : 5,709.77 = 1,033.26 : x
  2. Step 2: Convert to fraction form
    3,806.97/5,709.77 = 1,033.26/x
  3. Step 3: Cross multiply
    3,806.97x = 5,709.77 × 1,033.26
  4. Step 4: Simplify right side
    3,806.97x = 5,899,671.78
  5. Step 5: Solve for x
    x = 5,899,671.78/3,806.97
  6. Step 6: Final answer
    x = 1,549.70

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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.