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Finding the Fourth Proportional to 16,193.99, 22,348.00 and 9,120.67

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Solution

The fourth proportional to 16,193.99, 22,348.00 and 9,120.67 is: 12,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.99 : 22,348.00 = 9,120.67 : x
  2. Step 2: Convert to fraction form
    16,193.99/22,348.00 = 9,120.67/x
  3. Step 3: Cross multiply
    16,193.99x = 22,348.00 × 9,120.67
  4. Step 4: Simplify right side
    16,193.99x = 203,828,688.69
  5. Step 5: Solve for x
    x = 203,828,688.69/16,193.99
  6. Step 6: Final answer
    x = 12,586.69

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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.