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Finding the Fourth Proportional to 1,735.26, 2,601.96 and 760.22

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Solution

The fourth proportional to 1,735.26, 2,601.96 and 760.22 is: 1,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.26 : 2,601.96 = 760.22 : x
  2. Step 2: Convert to fraction form
    1,735.26/2,601.96 = 760.22/x
  3. Step 3: Cross multiply
    1,735.26x = 2,601.96 × 760.22
  4. Step 4: Simplify right side
    1,735.26x = 1,978,049.02
  5. Step 5: Solve for x
    x = 1,978,049.02/1,735.26
  6. Step 6: Final answer
    x = 1,139.92

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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.