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Finding the Fourth Proportional to 33,992.91, 46,912.31 and 18,885.67

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Solution

The fourth proportional to 33,992.91, 46,912.31 and 18,885.67 is: 26,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992.91 : 46,912.31 = 18,885.67 : x
  2. Step 2: Convert to fraction form
    33,992.91/46,912.31 = 18,885.67/x
  3. Step 3: Cross multiply
    33,992.91x = 46,912.31 × 18,885.67
  4. Step 4: Simplify right side
    33,992.91x = 885,970,311.17
  5. Step 5: Solve for x
    x = 885,970,311.17/33,992.91
  6. Step 6: Final answer
    x = 26,063.38

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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.