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Finding the Fourth Proportional to 49,635, 68,496.30 and 27,279

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Solution

The fourth proportional to 49,635, 68,496.30 and 27,279 is: 37,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,635 : 68,496.30 = 27,279 : x
  2. Step 2: Convert to fraction form
    49,635/68,496.30 = 27,279/x
  3. Step 3: Cross multiply
    49,635x = 68,496.30 × 27,279
  4. Step 4: Simplify right side
    49,635x = 1,868,510,567.70
  5. Step 5: Solve for x
    x = 1,868,510,567.70/49,635
  6. Step 6: Final answer
    x = 37,645.02

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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.