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Finding the Fourth Proportional to 38,702.40, 57,994.72 and 17,630.16

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Solution

The fourth proportional to 38,702.40, 57,994.72 and 17,630.16 is: 26,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.40 : 57,994.72 = 17,630.16 : x
  2. Step 2: Convert to fraction form
    38,702.40/57,994.72 = 17,630.16/x
  3. Step 3: Cross multiply
    38,702.40x = 57,994.72 × 17,630.16
  4. Step 4: Simplify right side
    38,702.40x = 1,022,456,192.76
  5. Step 5: Solve for x
    x = 1,022,456,192.76/38,702.40
  6. Step 6: Final answer
    x = 26,418.42

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