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Finding the Fourth Proportional to 22,481.64, 33,664.96 and 21,816.48

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Solution

The fourth proportional to 22,481.64, 33,664.96 and 21,816.48 is: 32,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.64 : 33,664.96 = 21,816.48 : x
  2. Step 2: Convert to fraction form
    22,481.64/33,664.96 = 21,816.48/x
  3. Step 3: Cross multiply
    22,481.64x = 33,664.96 × 21,816.48
  4. Step 4: Simplify right side
    22,481.64x = 734,450,926.54
  5. Step 5: Solve for x
    x = 734,450,926.54/22,481.64
  6. Step 6: Final answer
    x = 32,668.92

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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.