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Finding the Fourth Proportional to 3,266.28, 4,904.28 and 3,207.96

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Solution

The fourth proportional to 3,266.28, 4,904.28 and 3,207.96 is: 4,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.28 : 4,904.28 = 3,207.96 : x
  2. Step 2: Convert to fraction form
    3,266.28/4,904.28 = 3,207.96/x
  3. Step 3: Cross multiply
    3,266.28x = 4,904.28 × 3,207.96
  4. Step 4: Simplify right side
    3,266.28x = 15,732,734.07
  5. Step 5: Solve for x
    x = 15,732,734.07/3,266.28
  6. Step 6: Final answer
    x = 4,816.71

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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.