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Finding the Fourth Proportional to 2,796.20, 4,194.31 and 848.42

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Solution

The fourth proportional to 2,796.20, 4,194.31 and 848.42 is: 1,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.20 : 4,194.31 = 848.42 : x
  2. Step 2: Convert to fraction form
    2,796.20/4,194.31 = 848.42/x
  3. Step 3: Cross multiply
    2,796.20x = 4,194.31 × 848.42
  4. Step 4: Simplify right side
    2,796.20x = 3,558,536.49
  5. Step 5: Solve for x
    x = 3,558,536.49/2,796.20
  6. Step 6: Final answer
    x = 1,272.63

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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.