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Finding the Fourth Proportional to 27,682.70, 41,474.55 and 16,843.70

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Solution

The fourth proportional to 27,682.70, 41,474.55 and 16,843.70 is: 25,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.70 : 41,474.55 = 16,843.70 : x
  2. Step 2: Convert to fraction form
    27,682.70/41,474.55 = 16,843.70/x
  3. Step 3: Cross multiply
    27,682.70x = 41,474.55 × 16,843.70
  4. Step 4: Simplify right side
    27,682.70x = 698,584,877.84
  5. Step 5: Solve for x
    x = 698,584,877.84/27,682.70
  6. Step 6: Final answer
    x = 25,235.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.