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Finding the Fourth Proportional to 2,046.67, 3,068.52 and 659.23

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Solution

The fourth proportional to 2,046.67, 3,068.52 and 659.23 is: 988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.67 : 3,068.52 = 659.23 : x
  2. Step 2: Convert to fraction form
    2,046.67/3,068.52 = 659.23/x
  3. Step 3: Cross multiply
    2,046.67x = 3,068.52 × 659.23
  4. Step 4: Simplify right side
    2,046.67x = 2,022,860.44
  5. Step 5: Solve for x
    x = 2,022,860.44/2,046.67
  6. Step 6: Final answer
    x = 988.37

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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.