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Finding the Fourth Proportional to 57,644.82, 86,469.89 and 17,660.94

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Solution

The fourth proportional to 57,644.82, 86,469.89 and 17,660.94 is: 26,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.82 : 86,469.89 = 17,660.94 : x
  2. Step 2: Convert to fraction form
    57,644.82/86,469.89 = 17,660.94/x
  3. Step 3: Cross multiply
    57,644.82x = 86,469.89 × 17,660.94
  4. Step 4: Simplify right side
    57,644.82x = 1,527,139,450.79
  5. Step 5: Solve for x
    x = 1,527,139,450.79/57,644.82
  6. Step 6: Final answer
    x = 26,492.22

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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.