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Finding the Fourth Proportional to 7,957.92, 11,918.38 and 6,973.76

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Solution

The fourth proportional to 7,957.92, 11,918.38 and 6,973.76 is: 10,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.92 : 11,918.38 = 6,973.76 : x
  2. Step 2: Convert to fraction form
    7,957.92/11,918.38 = 6,973.76/x
  3. Step 3: Cross multiply
    7,957.92x = 11,918.38 × 6,973.76
  4. Step 4: Simplify right side
    7,957.92x = 83,115,921.71
  5. Step 5: Solve for x
    x = 83,115,921.71/7,957.92
  6. Step 6: Final answer
    x = 10,444.43

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