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Finding the Fourth Proportional to 52,375.80, 78,664.50 and 44,896.44

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Solution

The fourth proportional to 52,375.80, 78,664.50 and 44,896.44 is: 67,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.80 : 78,664.50 = 44,896.44 : x
  2. Step 2: Convert to fraction form
    52,375.80/78,664.50 = 44,896.44/x
  3. Step 3: Cross multiply
    52,375.80x = 78,664.50 × 44,896.44
  4. Step 4: Simplify right side
    52,375.80x = 3,531,756,004.38
  5. Step 5: Solve for x
    x = 3,531,756,004.38/52,375.80
  6. Step 6: Final answer
    x = 67,431.07

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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.