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Finding the Fourth Proportional to 18,683.75, 25,783.58 and 10,300.43

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Solution

The fourth proportional to 18,683.75, 25,783.58 and 10,300.43 is: 14,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.75 : 25,783.58 = 10,300.43 : x
  2. Step 2: Convert to fraction form
    18,683.75/25,783.58 = 10,300.43/x
  3. Step 3: Cross multiply
    18,683.75x = 25,783.58 × 10,300.43
  4. Step 4: Simplify right side
    18,683.75x = 265,581,909.44
  5. Step 5: Solve for x
    x = 265,581,909.44/18,683.75
  6. Step 6: Final answer
    x = 14,214.59

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