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Finding the Fourth Proportional to 3,396.53, 5,095.17 and 1,643.56

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Solution

The fourth proportional to 3,396.53, 5,095.17 and 1,643.56 is: 2,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.53 : 5,095.17 = 1,643.56 : x
  2. Step 2: Convert to fraction form
    3,396.53/5,095.17 = 1,643.56/x
  3. Step 3: Cross multiply
    3,396.53x = 5,095.17 × 1,643.56
  4. Step 4: Simplify right side
    3,396.53x = 8,374,204.87
  5. Step 5: Solve for x
    x = 8,374,204.87/3,396.53
  6. Step 6: Final answer
    x = 2,465.52

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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.