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Finding the Fourth Proportional to 13,370.63, 20,057.02 and 4,136.63

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Solution

The fourth proportional to 13,370.63, 20,057.02 and 4,136.63 is: 6,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.63 : 20,057.02 = 4,136.63 : x
  2. Step 2: Convert to fraction form
    13,370.63/20,057.02 = 4,136.63/x
  3. Step 3: Cross multiply
    13,370.63x = 20,057.02 × 4,136.63
  4. Step 4: Simplify right side
    13,370.63x = 82,968,360.02
  5. Step 5: Solve for x
    x = 82,968,360.02/13,370.63
  6. Step 6: Final answer
    x = 6,205.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.