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Finding the Fourth Proportional to 66,806.88, 92,208.62 and 41,651.52

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Solution

The fourth proportional to 66,806.88, 92,208.62 and 41,651.52 is: 57,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,806.88 : 92,208.62 = 41,651.52 : x
  2. Step 2: Convert to fraction form
    66,806.88/92,208.62 = 41,651.52/x
  3. Step 3: Cross multiply
    66,806.88x = 92,208.62 × 41,651.52
  4. Step 4: Simplify right side
    66,806.88x = 3,840,629,180.10
  5. Step 5: Solve for x
    x = 3,840,629,180.10/66,806.88
  6. Step 6: Final answer
    x = 57,488.53

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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.