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Finding the Fourth Proportional to 1,774.26, 2,662.41 and 734.07

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Solution

The fourth proportional to 1,774.26, 2,662.41 and 734.07 is: 1,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.26 : 2,662.41 = 734.07 : x
  2. Step 2: Convert to fraction form
    1,774.26/2,662.41 = 734.07/x
  3. Step 3: Cross multiply
    1,774.26x = 2,662.41 × 734.07
  4. Step 4: Simplify right side
    1,774.26x = 1,954,395.31
  5. Step 5: Solve for x
    x = 1,954,395.31/1,774.26
  6. Step 6: Final answer
    x = 1,101.53

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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.