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Finding the Fourth Proportional to 36,643.05, 50,563.15 and 20,511.26

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Solution

The fourth proportional to 36,643.05, 50,563.15 and 20,511.26 is: 28,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643.05 : 50,563.15 = 20,511.26 : x
  2. Step 2: Convert to fraction form
    36,643.05/50,563.15 = 20,511.26/x
  3. Step 3: Cross multiply
    36,643.05x = 50,563.15 × 20,511.26
  4. Step 4: Simplify right side
    36,643.05x = 1,037,113,611.98
  5. Step 5: Solve for x
    x = 1,037,113,611.98/36,643.05
  6. Step 6: Final answer
    x = 28,303.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.