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Finding the Fourth Proportional to 57,644.92, 86,470.03 and 17,661.04

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Solution

The fourth proportional to 57,644.92, 86,470.03 and 17,661.04 is: 26,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.92 : 86,470.03 = 17,661.04 : x
  2. Step 2: Convert to fraction form
    57,644.92/86,470.03 = 17,661.04/x
  3. Step 3: Cross multiply
    57,644.92x = 86,470.03 × 17,661.04
  4. Step 4: Simplify right side
    57,644.92x = 1,527,150,398.30
  5. Step 5: Solve for x
    x = 1,527,150,398.30/57,644.92
  6. Step 6: Final answer
    x = 26,492.37

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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.