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Finding the Fourth Proportional to 1,664.52, 2,497.14 and 843.24

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Solution

The fourth proportional to 1,664.52, 2,497.14 and 843.24 is: 1,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.52 : 2,497.14 = 843.24 : x
  2. Step 2: Convert to fraction form
    1,664.52/2,497.14 = 843.24/x
  3. Step 3: Cross multiply
    1,664.52x = 2,497.14 × 843.24
  4. Step 4: Simplify right side
    1,664.52x = 2,105,688.33
  5. Step 5: Solve for x
    x = 2,105,688.33/1,664.52
  6. Step 6: Final answer
    x = 1,265.04

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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.