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Finding the Fourth Proportional to 28,886.22, 39,869.64 and 16,953.39

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Solution

The fourth proportional to 28,886.22, 39,869.64 and 16,953.39 is: 23,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.22 : 39,869.64 = 16,953.39 : x
  2. Step 2: Convert to fraction form
    28,886.22/39,869.64 = 16,953.39/x
  3. Step 3: Cross multiply
    28,886.22x = 39,869.64 × 16,953.39
  4. Step 4: Simplify right side
    28,886.22x = 675,925,556.08
  5. Step 5: Solve for x
    x = 675,925,556.08/28,886.22
  6. Step 6: Final answer
    x = 23,399.58

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