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Finding the Fourth Proportional to 28,824, 43,236 and 6,936

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Solution

The fourth proportional to 28,824, 43,236 and 6,936 is: 10,404

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824 : 43,236 = 6,936 : x
  2. Step 2: Convert to fraction form
    28,824/43,236 = 6,936/x
  3. Step 3: Cross multiply
    28,824x = 43,236 × 6,936
  4. Step 4: Simplify right side
    28,824x = 299,884,896
  5. Step 5: Solve for x
    x = 299,884,896/28,824
  6. Step 6: Final answer
    x = 10,404

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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.