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Finding the Fourth Proportional to 4,732.78, 7,104.02 and 3,908.43

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Solution

The fourth proportional to 4,732.78, 7,104.02 and 3,908.43 is: 5,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,732.78 : 7,104.02 = 3,908.43 : x
  2. Step 2: Convert to fraction form
    4,732.78/7,104.02 = 3,908.43/x
  3. Step 3: Cross multiply
    4,732.78x = 7,104.02 × 3,908.43
  4. Step 4: Simplify right side
    4,732.78x = 27,765,564.89
  5. Step 5: Solve for x
    x = 27,765,564.89/4,732.78
  6. Step 6: Final answer
    x = 5,866.65

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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.