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Finding the Fourth Proportional to 3,399.66, 5,098.77 and 1,090.62

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Solution

The fourth proportional to 3,399.66, 5,098.77 and 1,090.62 is: 1,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.66 : 5,098.77 = 1,090.62 : x
  2. Step 2: Convert to fraction form
    3,399.66/5,098.77 = 1,090.62/x
  3. Step 3: Cross multiply
    3,399.66x = 5,098.77 × 1,090.62
  4. Step 4: Simplify right side
    3,399.66x = 5,560,820.54
  5. Step 5: Solve for x
    x = 5,560,820.54/3,399.66
  6. Step 6: Final answer
    x = 1,635.70

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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.