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Finding the Fourth Proportional to 21,664.79, 32,502.04 and 6,874.19

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Solution

The fourth proportional to 21,664.79, 32,502.04 and 6,874.19 is: 10,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.79 : 32,502.04 = 6,874.19 : x
  2. Step 2: Convert to fraction form
    21,664.79/32,502.04 = 6,874.19/x
  3. Step 3: Cross multiply
    21,664.79x = 32,502.04 × 6,874.19
  4. Step 4: Simplify right side
    21,664.79x = 223,425,018.65
  5. Step 5: Solve for x
    x = 223,425,018.65/21,664.79
  6. Step 6: Final answer
    x = 10,312.82

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