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Finding the Fourth Proportional to 34,829.64, 48,066.72 and 20,490.21

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Solution

The fourth proportional to 34,829.64, 48,066.72 and 20,490.21 is: 28,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,829.64 : 48,066.72 = 20,490.21 : x
  2. Step 2: Convert to fraction form
    34,829.64/48,066.72 = 20,490.21/x
  3. Step 3: Cross multiply
    34,829.64x = 48,066.72 × 20,490.21
  4. Step 4: Simplify right side
    34,829.64x = 984,897,186.81
  5. Step 5: Solve for x
    x = 984,897,186.81/34,829.64
  6. Step 6: Final answer
    x = 28,277.56

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