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Finding the Fourth Proportional to 30,799.72, 46,165.74 and 12,074.08

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Solution

The fourth proportional to 30,799.72, 46,165.74 and 12,074.08 is: 18,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.72 : 46,165.74 = 12,074.08 : x
  2. Step 2: Convert to fraction form
    30,799.72/46,165.74 = 12,074.08/x
  3. Step 3: Cross multiply
    30,799.72x = 46,165.74 × 12,074.08
  4. Step 4: Simplify right side
    30,799.72x = 557,408,838.02
  5. Step 5: Solve for x
    x = 557,408,838.02/30,799.72
  6. Step 6: Final answer
    x = 18,097.85

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