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Finding the Fourth Proportional to 2,226.95, 3,341.46 and 994.23

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Solution

The fourth proportional to 2,226.95, 3,341.46 and 994.23 is: 1,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.95 : 3,341.46 = 994.23 : x
  2. Step 2: Convert to fraction form
    2,226.95/3,341.46 = 994.23/x
  3. Step 3: Cross multiply
    2,226.95x = 3,341.46 × 994.23
  4. Step 4: Simplify right side
    2,226.95x = 3,322,179.78
  5. Step 5: Solve for x
    x = 3,322,179.78/2,226.95
  6. Step 6: Final answer
    x = 1,491.81

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Double scale
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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.