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Finding the Fourth Proportional to 16,578.16, 22,888.19 and 11,540.54

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Solution

The fourth proportional to 16,578.16, 22,888.19 and 11,540.54 is: 15,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.16 : 22,888.19 = 11,540.54 : x
  2. Step 2: Convert to fraction form
    16,578.16/22,888.19 = 11,540.54/x
  3. Step 3: Cross multiply
    16,578.16x = 22,888.19 × 11,540.54
  4. Step 4: Simplify right side
    16,578.16x = 264,142,072.22
  5. Step 5: Solve for x
    x = 264,142,072.22/16,578.16
  6. Step 6: Final answer
    x = 15,933.14

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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.