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Finding the Fourth Proportional to 27,704.52, 41,550.84 and 7,979.40

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Solution

The fourth proportional to 27,704.52, 41,550.84 and 7,979.40 is: 11,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.52 : 41,550.84 = 7,979.40 : x
  2. Step 2: Convert to fraction form
    27,704.52/41,550.84 = 7,979.40/x
  3. Step 3: Cross multiply
    27,704.52x = 41,550.84 × 7,979.40
  4. Step 4: Simplify right side
    27,704.52x = 331,550,772.70
  5. Step 5: Solve for x
    x = 331,550,772.70/27,704.52
  6. Step 6: Final answer
    x = 11,967.39

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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.