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Finding the Fourth Proportional to 17,871.44, 26,808.98 and 6,181.92

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Solution

The fourth proportional to 17,871.44, 26,808.98 and 6,181.92 is: 9,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.44 : 26,808.98 = 6,181.92 : x
  2. Step 2: Convert to fraction form
    17,871.44/26,808.98 = 6,181.92/x
  3. Step 3: Cross multiply
    17,871.44x = 26,808.98 × 6,181.92
  4. Step 4: Simplify right side
    17,871.44x = 165,730,938.73
  5. Step 5: Solve for x
    x = 165,730,938.73/17,871.44
  6. Step 6: Final answer
    x = 9,273.51

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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.