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Finding the Fourth Proportional to 27,093.54, 40,640.10 and 7,371.99

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Solution

The fourth proportional to 27,093.54, 40,640.10 and 7,371.99 is: 11,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.54 : 40,640.10 = 7,371.99 : x
  2. Step 2: Convert to fraction form
    27,093.54/40,640.10 = 7,371.99/x
  3. Step 3: Cross multiply
    27,093.54x = 40,640.10 × 7,371.99
  4. Step 4: Simplify right side
    27,093.54x = 299,598,410.80
  5. Step 5: Solve for x
    x = 299,598,410.80/27,093.54
  6. Step 6: Final answer
    x = 11,057.93

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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.