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Finding the Fourth Proportional to 15,195.21, 22,790.21 and 4,099.43

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Solution

The fourth proportional to 15,195.21, 22,790.21 and 4,099.43 is: 6,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.21 : 22,790.21 = 4,099.43 : x
  2. Step 2: Convert to fraction form
    15,195.21/22,790.21 = 4,099.43/x
  3. Step 3: Cross multiply
    15,195.21x = 22,790.21 × 4,099.43
  4. Step 4: Simplify right side
    15,195.21x = 93,426,736.13
  5. Step 5: Solve for x
    x = 93,426,736.13/15,195.21
  6. Step 6: Final answer
    x = 6,148.43

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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.