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Finding the Fourth Proportional to 1,729.37, 2,593.24 and 574.31

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Solution

The fourth proportional to 1,729.37, 2,593.24 and 574.31 is: 861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.37 : 2,593.24 = 574.31 : x
  2. Step 2: Convert to fraction form
    1,729.37/2,593.24 = 574.31/x
  3. Step 3: Cross multiply
    1,729.37x = 2,593.24 × 574.31
  4. Step 4: Simplify right side
    1,729.37x = 1,489,328.71
  5. Step 5: Solve for x
    x = 1,489,328.71/1,729.37
  6. Step 6: Final answer
    x = 861.20

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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.