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Finding the Fourth Proportional to 18,484.72, 27,658.92 and 11,093.68

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Solution

The fourth proportional to 18,484.72, 27,658.92 and 11,093.68 is: 16,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.72 : 27,658.92 = 11,093.68 : x
  2. Step 2: Convert to fraction form
    18,484.72/27,658.92 = 11,093.68/x
  3. Step 3: Cross multiply
    18,484.72x = 27,658.92 × 11,093.68
  4. Step 4: Simplify right side
    18,484.72x = 306,839,207.63
  5. Step 5: Solve for x
    x = 306,839,207.63/18,484.72
  6. Step 6: Final answer
    x = 16,599.61

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1.5x scale

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.