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Finding the Fourth Proportional to 16,722.76, 23,077.44 and 9,270.76

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Solution

The fourth proportional to 16,722.76, 23,077.44 and 9,270.76 is: 12,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.76 : 23,077.44 = 9,270.76 : x
  2. Step 2: Convert to fraction form
    16,722.76/23,077.44 = 9,270.76/x
  3. Step 3: Cross multiply
    16,722.76x = 23,077.44 × 9,270.76
  4. Step 4: Simplify right side
    16,722.76x = 213,945,407.65
  5. Step 5: Solve for x
    x = 213,945,407.65/16,722.76
  6. Step 6: Final answer
    x = 12,793.67

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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.