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Finding the Fourth Proportional to 3,294.73, 4,945.48 and 2,206.69

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Solution

The fourth proportional to 3,294.73, 4,945.48 and 2,206.69 is: 3,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.73 : 4,945.48 = 2,206.69 : x
  2. Step 2: Convert to fraction form
    3,294.73/4,945.48 = 2,206.69/x
  3. Step 3: Cross multiply
    3,294.73x = 4,945.48 × 2,206.69
  4. Step 4: Simplify right side
    3,294.73x = 10,913,141.26
  5. Step 5: Solve for x
    x = 10,913,141.26/3,294.73
  6. Step 6: Final answer
    x = 3,312.30

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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.