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Finding the Fourth Proportional to 30,078.51, 41,507.83 and 16,649.47

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Solution

The fourth proportional to 30,078.51, 41,507.83 and 16,649.47 is: 22,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.51 : 41,507.83 = 16,649.47 : x
  2. Step 2: Convert to fraction form
    30,078.51/41,507.83 = 16,649.47/x
  3. Step 3: Cross multiply
    30,078.51x = 41,507.83 × 16,649.47
  4. Step 4: Simplify right side
    30,078.51x = 691,083,432.79
  5. Step 5: Solve for x
    x = 691,083,432.79/30,078.51
  6. Step 6: Final answer
    x = 22,975.99

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