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Finding the Fourth Proportional to 18,324.45, 27,492.93 and 7,794.09

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Solution

The fourth proportional to 18,324.45, 27,492.93 and 7,794.09 is: 11,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.45 : 27,492.93 = 7,794.09 : x
  2. Step 2: Convert to fraction form
    18,324.45/27,492.93 = 7,794.09/x
  3. Step 3: Cross multiply
    18,324.45x = 27,492.93 × 7,794.09
  4. Step 4: Simplify right side
    18,324.45x = 214,282,370.78
  5. Step 5: Solve for x
    x = 214,282,370.78/18,324.45
  6. Step 6: Final answer
    x = 11,693.80

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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.