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Finding the Fourth Proportional to 42,378.75, 63,568.17 and 14,676.75

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Solution

The fourth proportional to 42,378.75, 63,568.17 and 14,676.75 is: 22,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.75 : 63,568.17 = 14,676.75 : x
  2. Step 2: Convert to fraction form
    42,378.75/63,568.17 = 14,676.75/x
  3. Step 3: Cross multiply
    42,378.75x = 63,568.17 × 14,676.75
  4. Step 4: Simplify right side
    42,378.75x = 932,974,139.05
  5. Step 5: Solve for x
    x = 932,974,139.05/42,378.75
  6. Step 6: Final answer
    x = 22,015.14

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