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Finding the Fourth Proportional to 35,658.75, 53,479.62 and 11,967.15

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Solution

The fourth proportional to 35,658.75, 53,479.62 and 11,967.15 is: 17,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.75 : 53,479.62 = 11,967.15 : x
  2. Step 2: Convert to fraction form
    35,658.75/53,479.62 = 11,967.15/x
  3. Step 3: Cross multiply
    35,658.75x = 53,479.62 × 11,967.15
  4. Step 4: Simplify right side
    35,658.75x = 639,998,634.48
  5. Step 5: Solve for x
    x = 639,998,634.48/35,658.75
  6. Step 6: Final answer
    x = 17,947.87

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