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Finding the Fourth Proportional to 2,246.21, 3,368.77 and 996.11

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Solution

The fourth proportional to 2,246.21, 3,368.77 and 996.11 is: 1,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.21 : 3,368.77 = 996.11 : x
  2. Step 2: Convert to fraction form
    2,246.21/3,368.77 = 996.11/x
  3. Step 3: Cross multiply
    2,246.21x = 3,368.77 × 996.11
  4. Step 4: Simplify right side
    2,246.21x = 3,355,660.50
  5. Step 5: Solve for x
    x = 3,355,660.50/2,246.21
  6. Step 6: Final answer
    x = 1,493.92

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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.