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Finding the Fourth Proportional to 30,857.15, 42,582.92 and 16,710.00

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Solution

The fourth proportional to 30,857.15, 42,582.92 and 16,710.00 is: 23,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.15 : 42,582.92 = 16,710.00 : x
  2. Step 2: Convert to fraction form
    30,857.15/42,582.92 = 16,710.00/x
  3. Step 3: Cross multiply
    30,857.15x = 42,582.92 × 16,710.00
  4. Step 4: Simplify right side
    30,857.15x = 711,560,349.96
  5. Step 5: Solve for x
    x = 711,560,349.96/30,857.15
  6. Step 6: Final answer
    x = 23,059.82

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