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Finding the Fourth Proportional to 39,678.66, 59,521.49 and 14,718.98

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Solution

The fourth proportional to 39,678.66, 59,521.49 and 14,718.98 is: 22,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.66 : 59,521.49 = 14,718.98 : x
  2. Step 2: Convert to fraction form
    39,678.66/59,521.49 = 14,718.98/x
  3. Step 3: Cross multiply
    39,678.66x = 59,521.49 × 14,718.98
  4. Step 4: Simplify right side
    39,678.66x = 876,095,249.68
  5. Step 5: Solve for x
    x = 876,095,249.68/39,678.66
  6. Step 6: Final answer
    x = 22,079.76

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