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Finding the Fourth Proportional to 10,630.08, 15,931.44 and 9,310.68

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Solution

The fourth proportional to 10,630.08, 15,931.44 and 9,310.68 is: 13,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.08 : 15,931.44 = 9,310.68 : x
  2. Step 2: Convert to fraction form
    10,630.08/15,931.44 = 9,310.68/x
  3. Step 3: Cross multiply
    10,630.08x = 15,931.44 × 9,310.68
  4. Step 4: Simplify right side
    10,630.08x = 148,332,539.78
  5. Step 5: Solve for x
    x = 148,332,539.78/10,630.08
  6. Step 6: Final answer
    x = 13,954.04

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