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Finding the Fourth Proportional to 1,792.52, 2,684.67 and 1,612.09

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Solution

The fourth proportional to 1,792.52, 2,684.67 and 1,612.09 is: 2,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.52 : 2,684.67 = 1,612.09 : x
  2. Step 2: Convert to fraction form
    1,792.52/2,684.67 = 1,612.09/x
  3. Step 3: Cross multiply
    1,792.52x = 2,684.67 × 1,612.09
  4. Step 4: Simplify right side
    1,792.52x = 4,327,929.66
  5. Step 5: Solve for x
    x = 4,327,929.66/1,792.52
  6. Step 6: Final answer
    x = 2,414.44

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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.