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Finding the Fourth Proportional to 3,203.57, 4,806.06 and 982.41

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Solution

The fourth proportional to 3,203.57, 4,806.06 and 982.41 is: 1,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.57 : 4,806.06 = 982.41 : x
  2. Step 2: Convert to fraction form
    3,203.57/4,806.06 = 982.41/x
  3. Step 3: Cross multiply
    3,203.57x = 4,806.06 × 982.41
  4. Step 4: Simplify right side
    3,203.57x = 4,721,499.70
  5. Step 5: Solve for x
    x = 4,721,499.70/3,203.57
  6. Step 6: Final answer
    x = 1,473.82

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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.