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Finding the Fourth Proportional to 14,544, 21,816 and 3,600

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Solution

The fourth proportional to 14,544, 21,816 and 3,600 is: 5,400

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544 : 21,816 = 3,600 : x
  2. Step 2: Convert to fraction form
    14,544/21,816 = 3,600/x
  3. Step 3: Cross multiply
    14,544x = 21,816 × 3,600
  4. Step 4: Simplify right side
    14,544x = 78,537,600
  5. Step 5: Solve for x
    x = 78,537,600/14,544
  6. Step 6: Final answer
    x = 5,400

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.