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Finding the Fourth Proportional to 17,984.68, 26,980.21 and 5,504.43

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Solution

The fourth proportional to 17,984.68, 26,980.21 and 5,504.43 is: 8,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.68 : 26,980.21 = 5,504.43 : x
  2. Step 2: Convert to fraction form
    17,984.68/26,980.21 = 5,504.43/x
  3. Step 3: Cross multiply
    17,984.68x = 26,980.21 × 5,504.43
  4. Step 4: Simplify right side
    17,984.68x = 148,510,724.99
  5. Step 5: Solve for x
    x = 148,510,724.99/17,984.68
  6. Step 6: Final answer
    x = 8,257.62

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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.