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Finding the Fourth Proportional to 23,998, 33,169.68 and 21,143.56

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Solution

The fourth proportional to 23,998, 33,169.68 and 21,143.56 is: 29,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,998 : 33,169.68 = 21,143.56 : x
  2. Step 2: Convert to fraction form
    23,998/33,169.68 = 21,143.56/x
  3. Step 3: Cross multiply
    23,998x = 33,169.68 × 21,143.56
  4. Step 4: Simplify right side
    23,998x = 701,325,119.26
  5. Step 5: Solve for x
    x = 701,325,119.26/23,998
  6. Step 6: Final answer
    x = 29,224.32

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Double scale
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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.