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Finding the Fourth Proportional to 2,296.70, 3,445.12 and 736.88

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Solution

The fourth proportional to 2,296.70, 3,445.12 and 736.88 is: 1,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.70 : 3,445.12 = 736.88 : x
  2. Step 2: Convert to fraction form
    2,296.70/3,445.12 = 736.88/x
  3. Step 3: Cross multiply
    2,296.70x = 3,445.12 × 736.88
  4. Step 4: Simplify right side
    2,296.70x = 2,538,640.03
  5. Step 5: Solve for x
    x = 2,538,640.03/2,296.70
  6. Step 6: Final answer
    x = 1,105.34

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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.