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Finding the Fourth Proportional to 23,206.40, 34,775.04 and 13,330.88

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Solution

The fourth proportional to 23,206.40, 34,775.04 and 13,330.88 is: 19,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,206.40 : 34,775.04 = 13,330.88 : x
  2. Step 2: Convert to fraction form
    23,206.40/34,775.04 = 13,330.88/x
  3. Step 3: Cross multiply
    23,206.40x = 34,775.04 × 13,330.88
  4. Step 4: Simplify right side
    23,206.40x = 463,581,885.24
  5. Step 5: Solve for x
    x = 463,581,885.24/23,206.40
  6. Step 6: Final answer
    x = 19,976.47

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