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Finding the Fourth Proportional to 2,257.83, 3,388.32 and 797.04

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Solution

The fourth proportional to 2,257.83, 3,388.32 and 797.04 is: 1,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.83 : 3,388.32 = 797.04 : x
  2. Step 2: Convert to fraction form
    2,257.83/3,388.32 = 797.04/x
  3. Step 3: Cross multiply
    2,257.83x = 3,388.32 × 797.04
  4. Step 4: Simplify right side
    2,257.83x = 2,700,626.57
  5. Step 5: Solve for x
    x = 2,700,626.57/2,257.83
  6. Step 6: Final answer
    x = 1,196.12

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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.