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Finding the Fourth Proportional to 23,544.64, 32,493.60 and 12,936.40

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Solution

The fourth proportional to 23,544.64, 32,493.60 and 12,936.40 is: 17,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,544.64 : 32,493.60 = 12,936.40 : x
  2. Step 2: Convert to fraction form
    23,544.64/32,493.60 = 12,936.40/x
  3. Step 3: Cross multiply
    23,544.64x = 32,493.60 × 12,936.40
  4. Step 4: Simplify right side
    23,544.64x = 420,350,207.04
  5. Step 5: Solve for x
    x = 420,350,207.04/23,544.64
  6. Step 6: Final answer
    x = 17,853.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.