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Finding the Fourth Proportional to 14,618.16, 21,939.80 and 5,859.09

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Solution

The fourth proportional to 14,618.16, 21,939.80 and 5,859.09 is: 8,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.16 : 21,939.80 = 5,859.09 : x
  2. Step 2: Convert to fraction form
    14,618.16/21,939.80 = 5,859.09/x
  3. Step 3: Cross multiply
    14,618.16x = 21,939.80 × 5,859.09
  4. Step 4: Simplify right side
    14,618.16x = 128,547,233.49
  5. Step 5: Solve for x
    x = 128,547,233.49/14,618.16
  6. Step 6: Final answer
    x = 8,793.67

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