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Finding the Fourth Proportional to 3,012.96, 4,522.62 and 2,668.44

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Solution

The fourth proportional to 3,012.96, 4,522.62 and 2,668.44 is: 4,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.96 : 4,522.62 = 2,668.44 : x
  2. Step 2: Convert to fraction form
    3,012.96/4,522.62 = 2,668.44/x
  3. Step 3: Cross multiply
    3,012.96x = 4,522.62 × 2,668.44
  4. Step 4: Simplify right side
    3,012.96x = 12,068,340.11
  5. Step 5: Solve for x
    x = 12,068,340.11/3,012.96
  6. Step 6: Final answer
    x = 4,005.48

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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.