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Finding the Fourth Proportional to 40,212.08, 60,308.40 and 16,856

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Solution

The fourth proportional to 40,212.08, 60,308.40 and 16,856 is: 25,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.08 : 60,308.40 = 16,856 : x
  2. Step 2: Convert to fraction form
    40,212.08/60,308.40 = 16,856/x
  3. Step 3: Cross multiply
    40,212.08x = 60,308.40 × 16,856
  4. Step 4: Simplify right side
    40,212.08x = 1,016,558,390.40
  5. Step 5: Solve for x
    x = 1,016,558,390.40/40,212.08
  6. Step 6: Final answer
    x = 25,279.93

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