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Finding the Fourth Proportional to 3,353.74, 5,028.97 and 1,013.29

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Solution

The fourth proportional to 3,353.74, 5,028.97 and 1,013.29 is: 1,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.74 : 5,028.97 = 1,013.29 : x
  2. Step 2: Convert to fraction form
    3,353.74/5,028.97 = 1,013.29/x
  3. Step 3: Cross multiply
    3,353.74x = 5,028.97 × 1,013.29
  4. Step 4: Simplify right side
    3,353.74x = 5,095,807.54
  5. Step 5: Solve for x
    x = 5,095,807.54/3,353.74
  6. Step 6: Final answer
    x = 1,519.44

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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.