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Finding the Fourth Proportional to 19,719.16, 29,587.97 and 8,624.41

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Solution

The fourth proportional to 19,719.16, 29,587.97 and 8,624.41 is: 12,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.16 : 29,587.97 = 8,624.41 : x
  2. Step 2: Convert to fraction form
    19,719.16/29,587.97 = 8,624.41/x
  3. Step 3: Cross multiply
    19,719.16x = 29,587.97 × 8,624.41
  4. Step 4: Simplify right side
    19,719.16x = 255,178,683.43
  5. Step 5: Solve for x
    x = 255,178,683.43/19,719.16
  6. Step 6: Final answer
    x = 12,940.64

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