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Finding the Fourth Proportional to 38,639.86, 57,952.94 and 17,574.98

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Solution

The fourth proportional to 38,639.86, 57,952.94 and 17,574.98 is: 26,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.86 : 57,952.94 = 17,574.98 : x
  2. Step 2: Convert to fraction form
    38,639.86/57,952.94 = 17,574.98/x
  3. Step 3: Cross multiply
    38,639.86x = 57,952.94 × 17,574.98
  4. Step 4: Simplify right side
    38,639.86x = 1,018,521,761.44
  5. Step 5: Solve for x
    x = 1,018,521,761.44/38,639.86
  6. Step 6: Final answer
    x = 26,359.35

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