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Finding the Fourth Proportional to 34,721.42, 47,915.64 and 18,805.88

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Solution

The fourth proportional to 34,721.42, 47,915.64 and 18,805.88 is: 25,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.42 : 47,915.64 = 18,805.88 : x
  2. Step 2: Convert to fraction form
    34,721.42/47,915.64 = 18,805.88/x
  3. Step 3: Cross multiply
    34,721.42x = 47,915.64 × 18,805.88
  4. Step 4: Simplify right side
    34,721.42x = 901,095,536.39
  5. Step 5: Solve for x
    x = 901,095,536.39/34,721.42
  6. Step 6: Final answer
    x = 25,952.15

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