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Finding the Fourth Proportional to 63,074.49, 94,418.54 and 40,843.63

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Solution

The fourth proportional to 63,074.49, 94,418.54 and 40,843.63 is: 61,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.49 : 94,418.54 = 40,843.63 : x
  2. Step 2: Convert to fraction form
    63,074.49/94,418.54 = 40,843.63/x
  3. Step 3: Cross multiply
    63,074.49x = 94,418.54 × 40,843.63
  4. Step 4: Simplify right side
    63,074.49x = 3,856,395,912.90
  5. Step 5: Solve for x
    x = 3,856,395,912.90/63,074.49
  6. Step 6: Final answer
    x = 61,140.34

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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.