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Finding the Fourth Proportional to 11,664, 17,496 and 3,456

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Solution

The fourth proportional to 11,664, 17,496 and 3,456 is: 5,184

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664 : 17,496 = 3,456 : x
  2. Step 2: Convert to fraction form
    11,664/17,496 = 3,456/x
  3. Step 3: Cross multiply
    11,664x = 17,496 × 3,456
  4. Step 4: Simplify right side
    11,664x = 60,466,176
  5. Step 5: Solve for x
    x = 60,466,176/11,664
  6. Step 6: Final answer
    x = 5,184

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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.