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Finding the Fourth Proportional to 3,360.53, 5,028.12 and 3,019.48

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Solution

The fourth proportional to 3,360.53, 5,028.12 and 3,019.48 is: 4,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.53 : 5,028.12 = 3,019.48 : x
  2. Step 2: Convert to fraction form
    3,360.53/5,028.12 = 3,019.48/x
  3. Step 3: Cross multiply
    3,360.53x = 5,028.12 × 3,019.48
  4. Step 4: Simplify right side
    3,360.53x = 15,182,307.78
  5. Step 5: Solve for x
    x = 15,182,307.78/3,360.53
  6. Step 6: Final answer
    x = 4,517.83

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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.