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Finding the Fourth Proportional to 2,645.08, 3,968.19 and 796.05

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Solution

The fourth proportional to 2,645.08, 3,968.19 and 796.05 is: 1,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.08 : 3,968.19 = 796.05 : x
  2. Step 2: Convert to fraction form
    2,645.08/3,968.19 = 796.05/x
  3. Step 3: Cross multiply
    2,645.08x = 3,968.19 × 796.05
  4. Step 4: Simplify right side
    2,645.08x = 3,158,877.65
  5. Step 5: Solve for x
    x = 3,158,877.65/2,645.08
  6. Step 6: Final answer
    x = 1,194.25

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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.