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Finding the Fourth Proportional to 38,789.86, 58,186.05 and 10,712.02

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Solution

The fourth proportional to 38,789.86, 58,186.05 and 10,712.02 is: 16,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.86 : 58,186.05 = 10,712.02 : x
  2. Step 2: Convert to fraction form
    38,789.86/58,186.05 = 10,712.02/x
  3. Step 3: Cross multiply
    38,789.86x = 58,186.05 × 10,712.02
  4. Step 4: Simplify right side
    38,789.86x = 623,290,131.32
  5. Step 5: Solve for x
    x = 623,290,131.32/38,789.86
  6. Step 6: Final answer
    x = 16,068.38

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