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Finding the Fourth Proportional to 2,396.42, 3,307.12 and 1,348.73

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Solution

The fourth proportional to 2,396.42, 3,307.12 and 1,348.73 is: 1,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.42 : 3,307.12 = 1,348.73 : x
  2. Step 2: Convert to fraction form
    2,396.42/3,307.12 = 1,348.73/x
  3. Step 3: Cross multiply
    2,396.42x = 3,307.12 × 1,348.73
  4. Step 4: Simplify right side
    2,396.42x = 4,460,392.05
  5. Step 5: Solve for x
    x = 4,460,392.05/2,396.42
  6. Step 6: Final answer
    x = 1,861.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.