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Finding the Fourth Proportional to 11,746, 17,619 and 3,538

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Solution

The fourth proportional to 11,746, 17,619 and 3,538 is: 5,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746 : 17,619 = 3,538 : x
  2. Step 2: Convert to fraction form
    11,746/17,619 = 3,538/x
  3. Step 3: Cross multiply
    11,746x = 17,619 × 3,538
  4. Step 4: Simplify right side
    11,746x = 62,336,022
  5. Step 5: Solve for x
    x = 62,336,022/11,746
  6. Step 6: Final answer
    x = 5,307

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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.