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Finding the Fourth Proportional to 35,531.20, 53,226.60 and 18,013.60

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Solution

The fourth proportional to 35,531.20, 53,226.60 and 18,013.60 is: 26,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.20 : 53,226.60 = 18,013.60 : x
  2. Step 2: Convert to fraction form
    35,531.20/53,226.60 = 18,013.60/x
  3. Step 3: Cross multiply
    35,531.20x = 53,226.60 × 18,013.60
  4. Step 4: Simplify right side
    35,531.20x = 958,802,681.76
  5. Step 5: Solve for x
    x = 958,802,681.76/35,531.20
  6. Step 6: Final answer
    x = 26,984.81

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