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Finding the Fourth Proportional to 13,074, 19,611 and 3,346

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Solution

The fourth proportional to 13,074, 19,611 and 3,346 is: 5,019

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074 : 19,611 = 3,346 : x
  2. Step 2: Convert to fraction form
    13,074/19,611 = 3,346/x
  3. Step 3: Cross multiply
    13,074x = 19,611 × 3,346
  4. Step 4: Simplify right side
    13,074x = 65,618,406
  5. Step 5: Solve for x
    x = 65,618,406/13,074
  6. Step 6: Final answer
    x = 5,019

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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.