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Finding the Fourth Proportional to 43,640, 60,218.20 and 24,517.22

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Solution

The fourth proportional to 43,640, 60,218.20 and 24,517.22 is: 33,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640 : 60,218.20 = 24,517.22 : x
  2. Step 2: Convert to fraction form
    43,640/60,218.20 = 24,517.22/x
  3. Step 3: Cross multiply
    43,640x = 60,218.20 × 24,517.22
  4. Step 4: Simplify right side
    43,640x = 1,476,382,857.40
  5. Step 5: Solve for x
    x = 1,476,382,857.40/43,640
  6. Step 6: Final answer
    x = 33,830.95

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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.