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Finding the Fourth Proportional to 27,323.33, 40,986.41 and 8,603.82

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Solution

The fourth proportional to 27,323.33, 40,986.41 and 8,603.82 is: 12,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.33 : 40,986.41 = 8,603.82 : x
  2. Step 2: Convert to fraction form
    27,323.33/40,986.41 = 8,603.82/x
  3. Step 3: Cross multiply
    27,323.33x = 40,986.41 × 8,603.82
  4. Step 4: Simplify right side
    27,323.33x = 352,639,651.07
  5. Step 5: Solve for x
    x = 352,639,651.07/27,323.33
  6. Step 6: Final answer
    x = 12,906.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.