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Finding the Fourth Proportional to 66,525, 91,804.62 and 36,717

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Solution

The fourth proportional to 66,525, 91,804.62 and 36,717 is: 50,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,525 : 91,804.62 = 36,717 : x
  2. Step 2: Convert to fraction form
    66,525/91,804.62 = 36,717/x
  3. Step 3: Cross multiply
    66,525x = 91,804.62 × 36,717
  4. Step 4: Simplify right side
    66,525x = 3,370,790,232.54
  5. Step 5: Solve for x
    x = 3,370,790,232.54/66,525
  6. Step 6: Final answer
    x = 50,669.53

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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.