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Finding the Fourth Proportional to 16,357.76, 22,573.70 and 8,905.76

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Solution

The fourth proportional to 16,357.76, 22,573.70 and 8,905.76 is: 12,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,357.76 : 22,573.70 = 8,905.76 : x
  2. Step 2: Convert to fraction form
    16,357.76/22,573.70 = 8,905.76/x
  3. Step 3: Cross multiply
    16,357.76x = 22,573.70 × 8,905.76
  4. Step 4: Simplify right side
    16,357.76x = 201,035,954.51
  5. Step 5: Solve for x
    x = 201,035,954.51/16,357.76
  6. Step 6: Final answer
    x = 12,289.94

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