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Finding the Fourth Proportional to 14,389.36, 21,586.99 and 6,069.38

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Solution

The fourth proportional to 14,389.36, 21,586.99 and 6,069.38 is: 9,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.36 : 21,586.99 = 6,069.38 : x
  2. Step 2: Convert to fraction form
    14,389.36/21,586.99 = 6,069.38/x
  3. Step 3: Cross multiply
    14,389.36x = 21,586.99 × 6,069.38
  4. Step 4: Simplify right side
    14,389.36x = 131,019,576.23
  5. Step 5: Solve for x
    x = 131,019,576.23/14,389.36
  6. Step 6: Final answer
    x = 9,105.31

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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.