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Finding the Fourth Proportional to 2,137.74, 3,205.49 and 967.18

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Solution

The fourth proportional to 2,137.74, 3,205.49 and 967.18 is: 1,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.74 : 3,205.49 = 967.18 : x
  2. Step 2: Convert to fraction form
    2,137.74/3,205.49 = 967.18/x
  3. Step 3: Cross multiply
    2,137.74x = 3,205.49 × 967.18
  4. Step 4: Simplify right side
    2,137.74x = 3,100,283.40
  5. Step 5: Solve for x
    x = 3,100,283.40/2,137.74
  6. Step 6: Final answer
    x = 1,450.27

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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.