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Finding the Fourth Proportional to 33,186, 49,779 and 11,298

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Solution

The fourth proportional to 33,186, 49,779 and 11,298 is: 16,947

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186 : 49,779 = 11,298 : x
  2. Step 2: Convert to fraction form
    33,186/49,779 = 11,298/x
  3. Step 3: Cross multiply
    33,186x = 49,779 × 11,298
  4. Step 4: Simplify right side
    33,186x = 562,403,142
  5. Step 5: Solve for x
    x = 562,403,142/33,186
  6. Step 6: Final answer
    x = 16,947

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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.