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Finding the Fourth Proportional to 9,273.88, 13,899.85 and 3,423.66

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Solution

The fourth proportional to 9,273.88, 13,899.85 and 3,423.66 is: 5,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.88 : 13,899.85 = 3,423.66 : x
  2. Step 2: Convert to fraction form
    9,273.88/13,899.85 = 3,423.66/x
  3. Step 3: Cross multiply
    9,273.88x = 13,899.85 × 3,423.66
  4. Step 4: Simplify right side
    9,273.88x = 47,588,360.45
  5. Step 5: Solve for x
    x = 47,588,360.45/9,273.88
  6. Step 6: Final answer
    x = 5,131.44

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