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Finding the Fourth Proportional to 43,115.53, 64,673.62 and 15,035.53

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Solution

The fourth proportional to 43,115.53, 64,673.62 and 15,035.53 is: 22,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115.53 : 64,673.62 = 15,035.53 : x
  2. Step 2: Convert to fraction form
    43,115.53/64,673.62 = 15,035.53/x
  3. Step 3: Cross multiply
    43,115.53x = 64,673.62 × 15,035.53
  4. Step 4: Simplify right side
    43,115.53x = 972,402,078.54
  5. Step 5: Solve for x
    x = 972,402,078.54/43,115.53
  6. Step 6: Final answer
    x = 22,553.41

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