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Finding the Fourth Proportional to 3,203.92, 4,806.52 and 1,355.03

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Solution

The fourth proportional to 3,203.92, 4,806.52 and 1,355.03 is: 2,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.92 : 4,806.52 = 1,355.03 : x
  2. Step 2: Convert to fraction form
    3,203.92/4,806.52 = 1,355.03/x
  3. Step 3: Cross multiply
    3,203.92x = 4,806.52 × 1,355.03
  4. Step 4: Simplify right side
    3,203.92x = 6,512,951.38
  5. Step 5: Solve for x
    x = 6,512,951.38/3,203.92
  6. Step 6: Final answer
    x = 2,032.81

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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.