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Finding the Fourth Proportional to 3,352.64, 5,028.96 and 1,013.31

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Solution

The fourth proportional to 3,352.64, 5,028.96 and 1,013.31 is: 1,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.64 : 5,028.96 = 1,013.31 : x
  2. Step 2: Convert to fraction form
    3,352.64/5,028.96 = 1,013.31/x
  3. Step 3: Cross multiply
    3,352.64x = 5,028.96 × 1,013.31
  4. Step 4: Simplify right side
    3,352.64x = 5,095,895.46
  5. Step 5: Solve for x
    x = 5,095,895.46/3,352.64
  6. Step 6: Final answer
    x = 1,519.97

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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.