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Finding the Fourth Proportional to 2,266.70, 3,404.10 and 2,193.80

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Solution

The fourth proportional to 2,266.70, 3,404.10 and 2,193.80 is: 3,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.70 : 3,404.10 = 2,193.80 : x
  2. Step 2: Convert to fraction form
    2,266.70/3,404.10 = 2,193.80/x
  3. Step 3: Cross multiply
    2,266.70x = 3,404.10 × 2,193.80
  4. Step 4: Simplify right side
    2,266.70x = 7,467,914.58
  5. Step 5: Solve for x
    x = 7,467,914.58/2,266.70
  6. Step 6: Final answer
    x = 3,294.62

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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.