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Finding the Fourth Proportional to 17,009.76, 25,517.28 and 8,685.27

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Solution

The fourth proportional to 17,009.76, 25,517.28 and 8,685.27 is: 13,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.76 : 25,517.28 = 8,685.27 : x
  2. Step 2: Convert to fraction form
    17,009.76/25,517.28 = 8,685.27/x
  3. Step 3: Cross multiply
    17,009.76x = 25,517.28 × 8,685.27
  4. Step 4: Simplify right side
    17,009.76x = 221,624,466.47
  5. Step 5: Solve for x
    x = 221,624,466.47/17,009.76
  6. Step 6: Final answer
    x = 13,029.25

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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.