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Finding the Fourth Proportional to 2,196.65, 3,295.14 and 735.80

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Solution

The fourth proportional to 2,196.65, 3,295.14 and 735.80 is: 1,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.65 : 3,295.14 = 735.80 : x
  2. Step 2: Convert to fraction form
    2,196.65/3,295.14 = 735.80/x
  3. Step 3: Cross multiply
    2,196.65x = 3,295.14 × 735.80
  4. Step 4: Simplify right side
    2,196.65x = 2,424,564.01
  5. Step 5: Solve for x
    x = 2,424,564.01/2,196.65
  6. Step 6: Final answer
    x = 1,103.76

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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.