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Finding the Fourth Proportional to 33,857.38, 46,723.08 and 18,953.38

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Solution

The fourth proportional to 33,857.38, 46,723.08 and 18,953.38 is: 26,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,857.38 : 46,723.08 = 18,953.38 : x
  2. Step 2: Convert to fraction form
    33,857.38/46,723.08 = 18,953.38/x
  3. Step 3: Cross multiply
    33,857.38x = 46,723.08 × 18,953.38
  4. Step 4: Simplify right side
    33,857.38x = 885,560,290.01
  5. Step 5: Solve for x
    x = 885,560,290.01/33,857.38
  6. Step 6: Final answer
    x = 26,155.61

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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.