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Finding the Fourth Proportional to 30,503.03, 45,749.81 and 8,318.21

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Solution

The fourth proportional to 30,503.03, 45,749.81 and 8,318.21 is: 12,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.03 : 45,749.81 = 8,318.21 : x
  2. Step 2: Convert to fraction form
    30,503.03/45,749.81 = 8,318.21/x
  3. Step 3: Cross multiply
    30,503.03x = 45,749.81 × 8,318.21
  4. Step 4: Simplify right side
    30,503.03x = 380,556,256.70
  5. Step 5: Solve for x
    x = 380,556,256.70/30,503.03
  6. Step 6: Final answer
    x = 12,476.02

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