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Finding the Fourth Proportional to 1,825.26, 2,739.94 and 730.39

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Solution

The fourth proportional to 1,825.26, 2,739.94 and 730.39 is: 1,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.26 : 2,739.94 = 730.39 : x
  2. Step 2: Convert to fraction form
    1,825.26/2,739.94 = 730.39/x
  3. Step 3: Cross multiply
    1,825.26x = 2,739.94 × 730.39
  4. Step 4: Simplify right side
    1,825.26x = 2,001,224.78
  5. Step 5: Solve for x
    x = 2,001,224.78/1,825.26
  6. Step 6: Final answer
    x = 1,096.41

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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.