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Finding the Fourth Proportional to 3,668.49, 5,062.78 and 2,096.55

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Solution

The fourth proportional to 3,668.49, 5,062.78 and 2,096.55 is: 2,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.49 : 5,062.78 = 2,096.55 : x
  2. Step 2: Convert to fraction form
    3,668.49/5,062.78 = 2,096.55/x
  3. Step 3: Cross multiply
    3,668.49x = 5,062.78 × 2,096.55
  4. Step 4: Simplify right side
    3,668.49x = 10,614,371.41
  5. Step 5: Solve for x
    x = 10,614,371.41/3,668.49
  6. Step 6: Final answer
    x = 2,893.39

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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.