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Finding the Fourth Proportional to 33,510, 46,243.80 and 18,606

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Solution

The fourth proportional to 33,510, 46,243.80 and 18,606 is: 25,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,510 : 46,243.80 = 18,606 : x
  2. Step 2: Convert to fraction form
    33,510/46,243.80 = 18,606/x
  3. Step 3: Cross multiply
    33,510x = 46,243.80 × 18,606
  4. Step 4: Simplify right side
    33,510x = 860,412,142.80
  5. Step 5: Solve for x
    x = 860,412,142.80/33,510
  6. Step 6: Final answer
    x = 25,676.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.