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Finding the Fourth Proportional to 45,954.64, 68,620.67 and 36,488.44

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Solution

The fourth proportional to 45,954.64, 68,620.67 and 36,488.44 is: 54,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,954.64 : 68,620.67 = 36,488.44 : x
  2. Step 2: Convert to fraction form
    45,954.64/68,620.67 = 36,488.44/x
  3. Step 3: Cross multiply
    45,954.64x = 68,620.67 × 36,488.44
  4. Step 4: Simplify right side
    45,954.64x = 2,503,861,200.05
  5. Step 5: Solve for x
    x = 2,503,861,200.05/45,954.64
  6. Step 6: Final answer
    x = 54,485.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.