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Finding the Fourth Proportional to 66,599.82, 91,907.74 and 36,791.82

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Solution

The fourth proportional to 66,599.82, 91,907.74 and 36,791.82 is: 50,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,599.82 : 91,907.74 = 36,791.82 : x
  2. Step 2: Convert to fraction form
    66,599.82/91,907.74 = 36,791.82/x
  3. Step 3: Cross multiply
    66,599.82x = 91,907.74 × 36,791.82
  4. Step 4: Simplify right side
    66,599.82x = 3,381,452,567.15
  5. Step 5: Solve for x
    x = 3,381,452,567.15/66,599.82
  6. Step 6: Final answer
    x = 50,772.70

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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.