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Finding the Fourth Proportional to 3,196.98, 4,794.51 and 1,440.97

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Solution

The fourth proportional to 3,196.98, 4,794.51 and 1,440.97 is: 2,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.98 : 4,794.51 = 1,440.97 : x
  2. Step 2: Convert to fraction form
    3,196.98/4,794.51 = 1,440.97/x
  3. Step 3: Cross multiply
    3,196.98x = 4,794.51 × 1,440.97
  4. Step 4: Simplify right side
    3,196.98x = 6,908,745.07
  5. Step 5: Solve for x
    x = 6,908,745.07/3,196.98
  6. Step 6: Final answer
    x = 2,161.02

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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.