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Finding the Fourth Proportional to 45,684.60, 68,563.44 and 44,226.60

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Solution

The fourth proportional to 45,684.60, 68,563.44 and 44,226.60 is: 66,375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,684.60 : 68,563.44 = 44,226.60 : x
  2. Step 2: Convert to fraction form
    45,684.60/68,563.44 = 44,226.60/x
  3. Step 3: Cross multiply
    45,684.60x = 68,563.44 × 44,226.60
  4. Step 4: Simplify right side
    45,684.60x = 3,032,327,835.50
  5. Step 5: Solve for x
    x = 3,032,327,835.50/45,684.60
  6. Step 6: Final answer
    x = 66,375.27

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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.