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Finding the Fourth Proportional to 39,936, 55,133.28 and 24,024

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Solution

The fourth proportional to 39,936, 55,133.28 and 24,024 is: 33,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936 : 55,133.28 = 24,024 : x
  2. Step 2: Convert to fraction form
    39,936/55,133.28 = 24,024/x
  3. Step 3: Cross multiply
    39,936x = 55,133.28 × 24,024
  4. Step 4: Simplify right side
    39,936x = 1,324,521,918.72
  5. Step 5: Solve for x
    x = 1,324,521,918.72/39,936
  6. Step 6: Final answer
    x = 33,166.11

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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.