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Finding the Fourth Proportional to 18,104.44, 27,153.54 and 4,953.88

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Solution

The fourth proportional to 18,104.44, 27,153.54 and 4,953.88 is: 7,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.44 : 27,153.54 = 4,953.88 : x
  2. Step 2: Convert to fraction form
    18,104.44/27,153.54 = 4,953.88/x
  3. Step 3: Cross multiply
    18,104.44x = 27,153.54 × 4,953.88
  4. Step 4: Simplify right side
    18,104.44x = 134,515,378.74
  5. Step 5: Solve for x
    x = 134,515,378.74/18,104.44
  6. Step 6: Final answer
    x = 7,429.97

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Why These Related Problems?

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