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Finding the Fourth Proportional to 2,196.88, 3,295.40 and 963.66

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Solution

The fourth proportional to 2,196.88, 3,295.40 and 963.66 is: 1,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.88 : 3,295.40 = 963.66 : x
  2. Step 2: Convert to fraction form
    2,196.88/3,295.40 = 963.66/x
  3. Step 3: Cross multiply
    2,196.88x = 3,295.40 × 963.66
  4. Step 4: Simplify right side
    2,196.88x = 3,175,645.16
  5. Step 5: Solve for x
    x = 3,175,645.16/2,196.88
  6. Step 6: Final answer
    x = 1,445.53

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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.