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Finding the Fourth Proportional to 17,960.84, 26,942.84 and 5,483.68

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Solution

The fourth proportional to 17,960.84, 26,942.84 and 5,483.68 is: 8,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.84 : 26,942.84 = 5,483.68 : x
  2. Step 2: Convert to fraction form
    17,960.84/26,942.84 = 5,483.68/x
  3. Step 3: Cross multiply
    17,960.84x = 26,942.84 × 5,483.68
  4. Step 4: Simplify right side
    17,960.84x = 147,745,912.85
  5. Step 5: Solve for x
    x = 147,745,912.85/17,960.84
  6. Step 6: Final answer
    x = 8,226.00

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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.