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Finding the Fourth Proportional to 43,397.80, 65,096.72 and 15,689.32

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Solution

The fourth proportional to 43,397.80, 65,096.72 and 15,689.32 is: 23,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,397.80 : 65,096.72 = 15,689.32 : x
  2. Step 2: Convert to fraction form
    43,397.80/65,096.72 = 15,689.32/x
  3. Step 3: Cross multiply
    43,397.80x = 65,096.72 × 15,689.32
  4. Step 4: Simplify right side
    43,397.80x = 1,021,323,271.03
  5. Step 5: Solve for x
    x = 1,021,323,271.03/43,397.80
  6. Step 6: Final answer
    x = 23,533.99

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