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Finding the Fourth Proportional to 34,458.08, 51,696.23 and 18,656.09

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Solution

The fourth proportional to 34,458.08, 51,696.23 and 18,656.09 is: 27,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,458.08 : 51,696.23 = 18,656.09 : x
  2. Step 2: Convert to fraction form
    34,458.08/51,696.23 = 18,656.09/x
  3. Step 3: Cross multiply
    34,458.08x = 51,696.23 × 18,656.09
  4. Step 4: Simplify right side
    34,458.08x = 964,449,519.54
  5. Step 5: Solve for x
    x = 964,449,519.54/34,458.08
  6. Step 6: Final answer
    x = 27,989.07

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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.