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Finding the Fourth Proportional to 66,801.88, 92,201.72 and 41,646.52

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Solution

The fourth proportional to 66,801.88, 92,201.72 and 41,646.52 is: 57,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,801.88 : 92,201.72 = 41,646.52 : x
  2. Step 2: Convert to fraction form
    66,801.88/92,201.72 = 41,646.52/x
  3. Step 3: Cross multiply
    66,801.88x = 92,201.72 × 41,646.52
  4. Step 4: Simplify right side
    66,801.88x = 3,839,880,776.01
  5. Step 5: Solve for x
    x = 3,839,880,776.01/66,801.88
  6. Step 6: Final answer
    x = 57,481.63

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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.