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Finding the Fourth Proportional to 1,730.90, 2,593.91 and 754.95

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Solution

The fourth proportional to 1,730.90, 2,593.91 and 754.95 is: 1,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.90 : 2,593.91 = 754.95 : x
  2. Step 2: Convert to fraction form
    1,730.90/2,593.91 = 754.95/x
  3. Step 3: Cross multiply
    1,730.90x = 2,593.91 × 754.95
  4. Step 4: Simplify right side
    1,730.90x = 1,958,272.35
  5. Step 5: Solve for x
    x = 1,958,272.35/1,730.90
  6. Step 6: Final answer
    x = 1,131.36

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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.