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Finding the Fourth Proportional to 66,365.52, 99,555.48 and 33,093.96

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Solution

The fourth proportional to 66,365.52, 99,555.48 and 33,093.96 is: 49,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365.52 : 99,555.48 = 33,093.96 : x
  2. Step 2: Convert to fraction form
    66,365.52/99,555.48 = 33,093.96/x
  3. Step 3: Cross multiply
    66,365.52x = 99,555.48 × 33,093.96
  4. Step 4: Simplify right side
    66,365.52x = 3,294,685,072.90
  5. Step 5: Solve for x
    x = 3,294,685,072.90/66,365.52
  6. Step 6: Final answer
    x = 49,644.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.