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Finding the Fourth Proportional to 18,436, 27,654 and 6,124

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Solution

The fourth proportional to 18,436, 27,654 and 6,124 is: 9,186

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436 : 27,654 = 6,124 : x
  2. Step 2: Convert to fraction form
    18,436/27,654 = 6,124/x
  3. Step 3: Cross multiply
    18,436x = 27,654 × 6,124
  4. Step 4: Simplify right side
    18,436x = 169,353,096
  5. Step 5: Solve for x
    x = 169,353,096/18,436
  6. Step 6: Final answer
    x = 9,186

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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.