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Finding the Fourth Proportional to 17,956.94, 26,938.26 and 5,474.11

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Solution

The fourth proportional to 17,956.94, 26,938.26 and 5,474.11 is: 8,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.94 : 26,938.26 = 5,474.11 : x
  2. Step 2: Convert to fraction form
    17,956.94/26,938.26 = 5,474.11/x
  3. Step 3: Cross multiply
    17,956.94x = 26,938.26 × 5,474.11
  4. Step 4: Simplify right side
    17,956.94x = 147,462,898.15
  5. Step 5: Solve for x
    x = 147,462,898.15/17,956.94
  6. Step 6: Final answer
    x = 8,212.03

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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.