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Finding the Fourth Proportional to 3,273.68, 4,910.16 and 965.36

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Solution

The fourth proportional to 3,273.68, 4,910.16 and 965.36 is: 1,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.68 : 4,910.16 = 965.36 : x
  2. Step 2: Convert to fraction form
    3,273.68/4,910.16 = 965.36/x
  3. Step 3: Cross multiply
    3,273.68x = 4,910.16 × 965.36
  4. Step 4: Simplify right side
    3,273.68x = 4,740,072.06
  5. Step 5: Solve for x
    x = 4,740,072.06/3,273.68
  6. Step 6: Final answer
    x = 1,447.93

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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.