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Finding the Fourth Proportional to 66,537.33, 91,821.77 and 36,323.31

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Solution

The fourth proportional to 66,537.33, 91,821.77 and 36,323.31 is: 50,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.33 : 91,821.77 = 36,323.31 : x
  2. Step 2: Convert to fraction form
    66,537.33/91,821.77 = 36,323.31/x
  3. Step 3: Cross multiply
    66,537.33x = 91,821.77 × 36,323.31
  4. Step 4: Simplify right side
    66,537.33x = 3,335,270,915.39
  5. Step 5: Solve for x
    x = 3,335,270,915.39/66,537.33
  6. Step 6: Final answer
    x = 50,126.31

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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.