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Finding the Fourth Proportional to 16,998.66, 25,497 and 7,636.26

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Solution

The fourth proportional to 16,998.66, 25,497 and 7,636.26 is: 11,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.66 : 25,497 = 7,636.26 : x
  2. Step 2: Convert to fraction form
    16,998.66/25,497 = 7,636.26/x
  3. Step 3: Cross multiply
    16,998.66x = 25,497 × 7,636.26
  4. Step 4: Simplify right side
    16,998.66x = 194,701,721.22
  5. Step 5: Solve for x
    x = 194,701,721.22/16,998.66
  6. Step 6: Final answer
    x = 11,453.95

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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.