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Finding the Fourth Proportional to 3,096.26, 4,272.84 and 1,699

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Solution

The fourth proportional to 3,096.26, 4,272.84 and 1,699 is: 2,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.26 : 4,272.84 = 1,699 : x
  2. Step 2: Convert to fraction form
    3,096.26/4,272.84 = 1,699/x
  3. Step 3: Cross multiply
    3,096.26x = 4,272.84 × 1,699
  4. Step 4: Simplify right side
    3,096.26x = 7,259,555.16
  5. Step 5: Solve for x
    x = 7,259,555.16/3,096.26
  6. Step 6: Final answer
    x = 2,344.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.