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Finding the Fourth Proportional to 22,299, 33,450.66 and 7,511.64

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Solution

The fourth proportional to 22,299, 33,450.66 and 7,511.64 is: 11,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299 : 33,450.66 = 7,511.64 : x
  2. Step 2: Convert to fraction form
    22,299/33,450.66 = 7,511.64/x
  3. Step 3: Cross multiply
    22,299x = 33,450.66 × 7,511.64
  4. Step 4: Simplify right side
    22,299x = 251,269,315.68
  5. Step 5: Solve for x
    x = 251,269,315.68/22,299
  6. Step 6: Final answer
    x = 11,268.19

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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.