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Finding the Fourth Proportional to 2,645.22, 3,968.01 and 796.26

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Solution

The fourth proportional to 2,645.22, 3,968.01 and 796.26 is: 1,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.22 : 3,968.01 = 796.26 : x
  2. Step 2: Convert to fraction form
    2,645.22/3,968.01 = 796.26/x
  3. Step 3: Cross multiply
    2,645.22x = 3,968.01 × 796.26
  4. Step 4: Simplify right side
    2,645.22x = 3,159,567.64
  5. Step 5: Solve for x
    x = 3,159,567.64/2,645.22
  6. Step 6: Final answer
    x = 1,194.44

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1.5x scale

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.