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Finding the Fourth Proportional to 2,195.22, 3,292.83 and 896.69

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Solution

The fourth proportional to 2,195.22, 3,292.83 and 896.69 is: 1,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.22 : 3,292.83 = 896.69 : x
  2. Step 2: Convert to fraction form
    2,195.22/3,292.83 = 896.69/x
  3. Step 3: Cross multiply
    2,195.22x = 3,292.83 × 896.69
  4. Step 4: Simplify right side
    2,195.22x = 2,952,637.44
  5. Step 5: Solve for x
    x = 2,952,637.44/2,195.22
  6. Step 6: Final answer
    x = 1,345.03

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Similar ratio
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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.