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Finding the Fourth Proportional to 1,772.43, 2,659.15 and 733.26

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Solution

The fourth proportional to 1,772.43, 2,659.15 and 733.26 is: 1,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.43 : 2,659.15 = 733.26 : x
  2. Step 2: Convert to fraction form
    1,772.43/2,659.15 = 733.26/x
  3. Step 3: Cross multiply
    1,772.43x = 2,659.15 × 733.26
  4. Step 4: Simplify right side
    1,772.43x = 1,949,859.22
  5. Step 5: Solve for x
    x = 1,949,859.22/1,772.43
  6. Step 6: Final answer
    x = 1,100.11

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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.