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Finding the Fourth Proportional to 8,982.73, 13,474.10 and 3,437.78

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Solution

The fourth proportional to 8,982.73, 13,474.10 and 3,437.78 is: 5,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.73 : 13,474.10 = 3,437.78 : x
  2. Step 2: Convert to fraction form
    8,982.73/13,474.10 = 3,437.78/x
  3. Step 3: Cross multiply
    8,982.73x = 13,474.10 × 3,437.78
  4. Step 4: Simplify right side
    8,982.73x = 46,320,951.54
  5. Step 5: Solve for x
    x = 46,320,951.54/8,982.73
  6. Step 6: Final answer
    x = 5,156.67

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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.