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Finding the Fourth Proportional to 24,121, 33,290.94 and 15,169.84

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Solution

The fourth proportional to 24,121, 33,290.94 and 15,169.84 is: 20,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,121 : 33,290.94 = 15,169.84 : x
  2. Step 2: Convert to fraction form
    24,121/33,290.94 = 15,169.84/x
  3. Step 3: Cross multiply
    24,121x = 33,290.94 × 15,169.84
  4. Step 4: Simplify right side
    24,121x = 505,018,233.25
  5. Step 5: Solve for x
    x = 505,018,233.25/24,121
  6. Step 6: Final answer
    x = 20,936.87

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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.