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Finding the Fourth Proportional to 2,227.42, 3,342.75 and 996.22

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Solution

The fourth proportional to 2,227.42, 3,342.75 and 996.22 is: 1,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.42 : 3,342.75 = 996.22 : x
  2. Step 2: Convert to fraction form
    2,227.42/3,342.75 = 996.22/x
  3. Step 3: Cross multiply
    2,227.42x = 3,342.75 × 996.22
  4. Step 4: Simplify right side
    2,227.42x = 3,330,114.41
  5. Step 5: Solve for x
    x = 3,330,114.41/2,227.42
  6. Step 6: Final answer
    x = 1,495.05

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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.