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Finding the Fourth Proportional to 10,129.74, 15,195.72 and 3,895.05

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Solution

The fourth proportional to 10,129.74, 15,195.72 and 3,895.05 is: 5,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.74 : 15,195.72 = 3,895.05 : x
  2. Step 2: Convert to fraction form
    10,129.74/15,195.72 = 3,895.05/x
  3. Step 3: Cross multiply
    10,129.74x = 15,195.72 × 3,895.05
  4. Step 4: Simplify right side
    10,129.74x = 59,188,089.19
  5. Step 5: Solve for x
    x = 59,188,089.19/10,129.74
  6. Step 6: Final answer
    x = 5,843.00

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