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Finding the Fourth Proportional to 45,477.44, 68,216.22 and 17,756

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Solution

The fourth proportional to 45,477.44, 68,216.22 and 17,756 is: 26,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.44 : 68,216.22 = 17,756 : x
  2. Step 2: Convert to fraction form
    45,477.44/68,216.22 = 17,756/x
  3. Step 3: Cross multiply
    45,477.44x = 68,216.22 × 17,756
  4. Step 4: Simplify right side
    45,477.44x = 1,211,247,202.32
  5. Step 5: Solve for x
    x = 1,211,247,202.32/45,477.44
  6. Step 6: Final answer
    x = 26,634.02

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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.