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Finding the Fourth Proportional to 49,676.82, 68,550.40 and 28,167

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Solution

The fourth proportional to 49,676.82, 68,550.40 and 28,167 is: 38,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,676.82 : 68,550.40 = 28,167 : x
  2. Step 2: Convert to fraction form
    49,676.82/68,550.40 = 28,167/x
  3. Step 3: Cross multiply
    49,676.82x = 68,550.40 × 28,167
  4. Step 4: Simplify right side
    49,676.82x = 1,930,859,116.80
  5. Step 5: Solve for x
    x = 1,930,859,116.80/49,676.82
  6. Step 6: Final answer
    x = 38,868.41

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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.