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Finding the Fourth Proportional to 21,606.15, 32,410.80 and 7,564.62

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Solution

The fourth proportional to 21,606.15, 32,410.80 and 7,564.62 is: 11,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.15 : 32,410.80 = 7,564.62 : x
  2. Step 2: Convert to fraction form
    21,606.15/32,410.80 = 7,564.62/x
  3. Step 3: Cross multiply
    21,606.15x = 32,410.80 × 7,564.62
  4. Step 4: Simplify right side
    21,606.15x = 245,175,385.90
  5. Step 5: Solve for x
    x = 245,175,385.90/21,606.15
  6. Step 6: Final answer
    x = 11,347.48

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