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Finding the Fourth Proportional to 32,704.70, 48,993.73 and 19,163.18

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Solution

The fourth proportional to 32,704.70, 48,993.73 and 19,163.18 is: 28,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,704.70 : 48,993.73 = 19,163.18 : x
  2. Step 2: Convert to fraction form
    32,704.70/48,993.73 = 19,163.18/x
  3. Step 3: Cross multiply
    32,704.70x = 48,993.73 × 19,163.18
  4. Step 4: Simplify right side
    32,704.70x = 938,875,741.44
  5. Step 5: Solve for x
    x = 938,875,741.44/32,704.70
  6. Step 6: Final answer
    x = 28,707.67

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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.