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Finding the Fourth Proportional to 10,984.62, 16,449.12 and 7,275.60

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Solution

The fourth proportional to 10,984.62, 16,449.12 and 7,275.60 is: 10,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.62 : 16,449.12 = 7,275.60 : x
  2. Step 2: Convert to fraction form
    10,984.62/16,449.12 = 7,275.60/x
  3. Step 3: Cross multiply
    10,984.62x = 16,449.12 × 7,275.60
  4. Step 4: Simplify right side
    10,984.62x = 119,677,217.47
  5. Step 5: Solve for x
    x = 119,677,217.47/10,984.62
  6. Step 6: Final answer
    x = 10,894.98

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