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Finding the Fourth Proportional to 64,817.50, 89,448.21 and 35,009.50

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Solution

The fourth proportional to 64,817.50, 89,448.21 and 35,009.50 is: 48,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,817.50 : 89,448.21 = 35,009.50 : x
  2. Step 2: Convert to fraction form
    64,817.50/89,448.21 = 35,009.50/x
  3. Step 3: Cross multiply
    64,817.50x = 89,448.21 × 35,009.50
  4. Step 4: Simplify right side
    64,817.50x = 3,131,537,108.00
  5. Step 5: Solve for x
    x = 3,131,537,108.00/64,817.50
  6. Step 6: Final answer
    x = 48,313.14

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