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Finding the Fourth Proportional to 33,903.94, 46,786.17 and 18,998.98

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Solution

The fourth proportional to 33,903.94, 46,786.17 and 18,998.98 is: 26,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,903.94 : 46,786.17 = 18,998.98 : x
  2. Step 2: Convert to fraction form
    33,903.94/46,786.17 = 18,998.98/x
  3. Step 3: Cross multiply
    33,903.94x = 46,786.17 × 18,998.98
  4. Step 4: Simplify right side
    33,903.94x = 888,889,508.11
  5. Step 5: Solve for x
    x = 888,889,508.11/33,903.94
  6. Step 6: Final answer
    x = 26,217.88

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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.