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Finding the Fourth Proportional to 17,871.44, 26,794.02 and 8,518.02

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Solution

The fourth proportional to 17,871.44, 26,794.02 and 8,518.02 is: 12,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.44 : 26,794.02 = 8,518.02 : x
  2. Step 2: Convert to fraction form
    17,871.44/26,794.02 = 8,518.02/x
  3. Step 3: Cross multiply
    17,871.44x = 26,794.02 × 8,518.02
  4. Step 4: Simplify right side
    17,871.44x = 228,231,955.65
  5. Step 5: Solve for x
    x = 228,231,955.65/17,871.44
  6. Step 6: Final answer
    x = 12,770.77

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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.