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Finding the Fourth Proportional to 17,306.31, 25,933.04 and 8,989.03

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Solution

The fourth proportional to 17,306.31, 25,933.04 and 8,989.03 is: 13,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,306.31 : 25,933.04 = 8,989.03 : x
  2. Step 2: Convert to fraction form
    17,306.31/25,933.04 = 8,989.03/x
  3. Step 3: Cross multiply
    17,306.31x = 25,933.04 × 8,989.03
  4. Step 4: Simplify right side
    17,306.31x = 233,112,724.58
  5. Step 5: Solve for x
    x = 233,112,724.58/17,306.31
  6. Step 6: Final answer
    x = 13,469.81

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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.