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Finding the Fourth Proportional to 15,646.99, 23,450.76 and 11,181.39

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Solution

The fourth proportional to 15,646.99, 23,450.76 and 11,181.39 is: 16,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.99 : 23,450.76 = 11,181.39 : x
  2. Step 2: Convert to fraction form
    15,646.99/23,450.76 = 11,181.39/x
  3. Step 3: Cross multiply
    15,646.99x = 23,450.76 × 11,181.39
  4. Step 4: Simplify right side
    15,646.99x = 262,212,093.36
  5. Step 5: Solve for x
    x = 262,212,093.36/15,646.99
  6. Step 6: Final answer
    x = 16,757.99

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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.