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Finding the Fourth Proportional to 2,197.70, 3,296.55 and 736.94

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Solution

The fourth proportional to 2,197.70, 3,296.55 and 736.94 is: 1,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.70 : 3,296.55 = 736.94 : x
  2. Step 2: Convert to fraction form
    2,197.70/3,296.55 = 736.94/x
  3. Step 3: Cross multiply
    2,197.70x = 3,296.55 × 736.94
  4. Step 4: Simplify right side
    2,197.70x = 2,429,343.07
  5. Step 5: Solve for x
    x = 2,429,343.07/2,197.70
  6. Step 6: Final answer
    x = 1,105.41

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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.