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Finding the Fourth Proportional to 4,756.05, 7,129.72 and 1,832.15

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Solution

The fourth proportional to 4,756.05, 7,129.72 and 1,832.15 is: 2,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.05 : 7,129.72 = 1,832.15 : x
  2. Step 2: Convert to fraction form
    4,756.05/7,129.72 = 1,832.15/x
  3. Step 3: Cross multiply
    4,756.05x = 7,129.72 × 1,832.15
  4. Step 4: Simplify right side
    4,756.05x = 13,062,736.61
  5. Step 5: Solve for x
    x = 13,062,736.61/4,756.05
  6. Step 6: Final answer
    x = 2,746.55

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