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Finding the Fourth Proportional to 3,296.80, 4,935.12 and 3,083.68

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Solution

The fourth proportional to 3,296.80, 4,935.12 and 3,083.68 is: 4,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.80 : 4,935.12 = 3,083.68 : x
  2. Step 2: Convert to fraction form
    3,296.80/4,935.12 = 3,083.68/x
  3. Step 3: Cross multiply
    3,296.80x = 4,935.12 × 3,083.68
  4. Step 4: Simplify right side
    3,296.80x = 15,218,330.84
  5. Step 5: Solve for x
    x = 15,218,330.84/3,296.80
  6. Step 6: Final answer
    x = 4,616.09

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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.