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Finding the Fourth Proportional to 56,090.79, 84,066.02 and 28,018.68

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Solution

The fourth proportional to 56,090.79, 84,066.02 and 28,018.68 is: 41,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.79 : 84,066.02 = 28,018.68 : x
  2. Step 2: Convert to fraction form
    56,090.79/84,066.02 = 28,018.68/x
  3. Step 3: Cross multiply
    56,090.79x = 84,066.02 × 28,018.68
  4. Step 4: Simplify right side
    56,090.79x = 2,355,418,913.25
  5. Step 5: Solve for x
    x = 2,355,418,913.25/56,090.79
  6. Step 6: Final answer
    x = 41,992.97

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