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Finding the Fourth Proportional to 2,310.76, 3,466.74 and 667.44

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Solution

The fourth proportional to 2,310.76, 3,466.74 and 667.44 is: 1,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.76 : 3,466.74 = 667.44 : x
  2. Step 2: Convert to fraction form
    2,310.76/3,466.74 = 667.44/x
  3. Step 3: Cross multiply
    2,310.76x = 3,466.74 × 667.44
  4. Step 4: Simplify right side
    2,310.76x = 2,313,840.95
  5. Step 5: Solve for x
    x = 2,313,840.95/2,310.76
  6. Step 6: Final answer
    x = 1,001.33

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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.