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Finding the Fourth Proportional to 2,845.88, 4,267.98 and 996.65

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Solution

The fourth proportional to 2,845.88, 4,267.98 and 996.65 is: 1,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.88 : 4,267.98 = 996.65 : x
  2. Step 2: Convert to fraction form
    2,845.88/4,267.98 = 996.65/x
  3. Step 3: Cross multiply
    2,845.88x = 4,267.98 × 996.65
  4. Step 4: Simplify right side
    2,845.88x = 4,253,660.93
  5. Step 5: Solve for x
    x = 4,253,660.93/2,845.88
  6. Step 6: Final answer
    x = 1,494.68

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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.