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Finding the Fourth Proportional to 30,904.48, 42,647.88 and 16,757.08

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Solution

The fourth proportional to 30,904.48, 42,647.88 and 16,757.08 is: 23,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.48 : 42,647.88 = 16,757.08 : x
  2. Step 2: Convert to fraction form
    30,904.48/42,647.88 = 16,757.08/x
  3. Step 3: Cross multiply
    30,904.48x = 42,647.88 × 16,757.08
  4. Step 4: Simplify right side
    30,904.48x = 714,653,936.99
  5. Step 5: Solve for x
    x = 714,653,936.99/30,904.48
  6. Step 6: Final answer
    x = 23,124.61

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