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Finding the Fourth Proportional to 33,915.67, 46,806.03 and 18,809.78

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Solution

The fourth proportional to 33,915.67, 46,806.03 and 18,809.78 is: 25,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.67 : 46,806.03 = 18,809.78 : x
  2. Step 2: Convert to fraction form
    33,915.67/46,806.03 = 18,809.78/x
  3. Step 3: Cross multiply
    33,915.67x = 46,806.03 × 18,809.78
  4. Step 4: Simplify right side
    33,915.67x = 880,410,892.94
  5. Step 5: Solve for x
    x = 880,410,892.94/33,915.67
  6. Step 6: Final answer
    x = 25,958.83

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1.5x scale

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.