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Finding the Fourth Proportional to 17,628.62, 26,418.06 and 9,734.69

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Solution

The fourth proportional to 17,628.62, 26,418.06 and 9,734.69 is: 14,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.62 : 26,418.06 = 9,734.69 : x
  2. Step 2: Convert to fraction form
    17,628.62/26,418.06 = 9,734.69/x
  3. Step 3: Cross multiply
    17,628.62x = 26,418.06 × 9,734.69
  4. Step 4: Simplify right side
    17,628.62x = 257,171,578.45
  5. Step 5: Solve for x
    x = 257,171,578.45/17,628.62
  6. Step 6: Final answer
    x = 14,588.30

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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.