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Finding the Fourth Proportional to 2,167.97, 3,251.84 and 608.06

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Solution

The fourth proportional to 2,167.97, 3,251.84 and 608.06 is: 912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.97 : 3,251.84 = 608.06 : x
  2. Step 2: Convert to fraction form
    2,167.97/3,251.84 = 608.06/x
  3. Step 3: Cross multiply
    2,167.97x = 3,251.84 × 608.06
  4. Step 4: Simplify right side
    2,167.97x = 1,977,310.79
  5. Step 5: Solve for x
    x = 1,977,310.79/2,167.97
  6. Step 6: Final answer
    x = 912.06

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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.