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Finding the Fourth Proportional to 2,296.90, 3,443.97 and 908.62

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Solution

The fourth proportional to 2,296.90, 3,443.97 and 908.62 is: 1,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.90 : 3,443.97 = 908.62 : x
  2. Step 2: Convert to fraction form
    2,296.90/3,443.97 = 908.62/x
  3. Step 3: Cross multiply
    2,296.90x = 3,443.97 × 908.62
  4. Step 4: Simplify right side
    2,296.90x = 3,129,260.02
  5. Step 5: Solve for x
    x = 3,129,260.02/2,296.90
  6. Step 6: Final answer
    x = 1,362.38

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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.