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Finding the Fourth Proportional to 4,906.62, 7,357.53 and 1,618.41

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Solution

The fourth proportional to 4,906.62, 7,357.53 and 1,618.41 is: 2,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.62 : 7,357.53 = 1,618.41 : x
  2. Step 2: Convert to fraction form
    4,906.62/7,357.53 = 1,618.41/x
  3. Step 3: Cross multiply
    4,906.62x = 7,357.53 × 1,618.41
  4. Step 4: Simplify right side
    4,906.62x = 11,907,500.13
  5. Step 5: Solve for x
    x = 11,907,500.13/4,906.62
  6. Step 6: Final answer
    x = 2,426.82

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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.