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Finding the Fourth Proportional to 66,276.54, 91,431.87 and 44,759.29

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Solution

The fourth proportional to 66,276.54, 91,431.87 and 44,759.29 is: 61,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.54 : 91,431.87 = 44,759.29 : x
  2. Step 2: Convert to fraction form
    66,276.54/91,431.87 = 44,759.29/x
  3. Step 3: Cross multiply
    66,276.54x = 91,431.87 × 44,759.29
  4. Step 4: Simplify right side
    66,276.54x = 4,092,425,584.57
  5. Step 5: Solve for x
    x = 4,092,425,584.57/66,276.54
  6. Step 6: Final answer
    x = 61,747.73

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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.