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Finding the Fourth Proportional to 16,611.20, 24,916.80 and 11,362.40

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Solution

The fourth proportional to 16,611.20, 24,916.80 and 11,362.40 is: 17,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.20 : 24,916.80 = 11,362.40 : x
  2. Step 2: Convert to fraction form
    16,611.20/24,916.80 = 11,362.40/x
  3. Step 3: Cross multiply
    16,611.20x = 24,916.80 × 11,362.40
  4. Step 4: Simplify right side
    16,611.20x = 283,114,648.32
  5. Step 5: Solve for x
    x = 283,114,648.32/16,611.20
  6. Step 6: Final answer
    x = 17,043.60

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