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Finding the Fourth Proportional to 33,694.50, 46,499.85 and 18,790.50

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Solution

The fourth proportional to 33,694.50, 46,499.85 and 18,790.50 is: 25,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,694.50 : 46,499.85 = 18,790.50 : x
  2. Step 2: Convert to fraction form
    33,694.50/46,499.85 = 18,790.50/x
  3. Step 3: Cross multiply
    33,694.50x = 46,499.85 × 18,790.50
  4. Step 4: Simplify right side
    33,694.50x = 873,755,431.43
  5. Step 5: Solve for x
    x = 873,755,431.43/33,694.50
  6. Step 6: Final answer
    x = 25,931.69

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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.