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Finding the Fourth Proportional to 22,448.94, 30,755.16 and 21,608.16

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Solution

The fourth proportional to 22,448.94, 30,755.16 and 21,608.16 is: 29,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.94 : 30,755.16 = 21,608.16 : x
  2. Step 2: Convert to fraction form
    22,448.94/30,755.16 = 21,608.16/x
  3. Step 3: Cross multiply
    22,448.94x = 30,755.16 × 21,608.16
  4. Step 4: Simplify right side
    22,448.94x = 664,562,418.11
  5. Step 5: Solve for x
    x = 664,562,418.11/22,448.94
  6. Step 6: Final answer
    x = 29,603.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.