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Finding the Fourth Proportional to 11,216.75, 16,825.13 and 3,008.75

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Solution

The fourth proportional to 11,216.75, 16,825.13 and 3,008.75 is: 4,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.75 : 16,825.13 = 3,008.75 : x
  2. Step 2: Convert to fraction form
    11,216.75/16,825.13 = 3,008.75/x
  3. Step 3: Cross multiply
    11,216.75x = 16,825.13 × 3,008.75
  4. Step 4: Simplify right side
    11,216.75x = 50,622,609.89
  5. Step 5: Solve for x
    x = 50,622,609.89/11,216.75
  6. Step 6: Final answer
    x = 4,513.13

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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.