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Finding the Fourth Proportional to 1,722.62, 2,583.51 and 797.29

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Solution

The fourth proportional to 1,722.62, 2,583.51 and 797.29 is: 1,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.62 : 2,583.51 = 797.29 : x
  2. Step 2: Convert to fraction form
    1,722.62/2,583.51 = 797.29/x
  3. Step 3: Cross multiply
    1,722.62x = 2,583.51 × 797.29
  4. Step 4: Simplify right side
    1,722.62x = 2,059,806.69
  5. Step 5: Solve for x
    x = 2,059,806.69/1,722.62
  6. Step 6: Final answer
    x = 1,195.74

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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.