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Finding the Fourth Proportional to 28,753.61, 43,137.74 and 10,984.23

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Solution

The fourth proportional to 28,753.61, 43,137.74 and 10,984.23 is: 16,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.61 : 43,137.74 = 10,984.23 : x
  2. Step 2: Convert to fraction form
    28,753.61/43,137.74 = 10,984.23/x
  3. Step 3: Cross multiply
    28,753.61x = 43,137.74 × 10,984.23
  4. Step 4: Simplify right side
    28,753.61x = 473,834,885.30
  5. Step 5: Solve for x
    x = 473,834,885.30/28,753.61
  6. Step 6: Final answer
    x = 16,479.15

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