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Finding the Fourth Proportional to 64,657.69, 96,986.54 and 17,910.56

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Solution

The fourth proportional to 64,657.69, 96,986.54 and 17,910.56 is: 26,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.69 : 96,986.54 = 17,910.56 : x
  2. Step 2: Convert to fraction form
    64,657.69/96,986.54 = 17,910.56/x
  3. Step 3: Cross multiply
    64,657.69x = 96,986.54 × 17,910.56
  4. Step 4: Simplify right side
    64,657.69x = 1,737,083,531.11
  5. Step 5: Solve for x
    x = 1,737,083,531.11/64,657.69
  6. Step 6: Final answer
    x = 26,865.85

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