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Finding the Fourth Proportional to 15,861.24, 23,806.62 and 8,075.88

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Solution

The fourth proportional to 15,861.24, 23,806.62 and 8,075.88 is: 12,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.24 : 23,806.62 = 8,075.88 : x
  2. Step 2: Convert to fraction form
    15,861.24/23,806.62 = 8,075.88/x
  3. Step 3: Cross multiply
    15,861.24x = 23,806.62 × 8,075.88
  4. Step 4: Simplify right side
    15,861.24x = 192,259,406.33
  5. Step 5: Solve for x
    x = 192,259,406.33/15,861.24
  6. Step 6: Final answer
    x = 12,121.34

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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.