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Finding the Fourth Proportional to 3,353.16, 5,028.11 and 1,012.74

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Solution

The fourth proportional to 3,353.16, 5,028.11 and 1,012.74 is: 1,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.16 : 5,028.11 = 1,012.74 : x
  2. Step 2: Convert to fraction form
    3,353.16/5,028.11 = 1,012.74/x
  3. Step 3: Cross multiply
    3,353.16x = 5,028.11 × 1,012.74
  4. Step 4: Simplify right side
    3,353.16x = 5,092,148.00
  5. Step 5: Solve for x
    x = 5,092,148.00/3,353.16
  6. Step 6: Final answer
    x = 1,518.61

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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.