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Finding the Fourth Proportional to 27,813.99, 41,735.97 and 20,216.10

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Solution

The fourth proportional to 27,813.99, 41,735.97 and 20,216.10 is: 30,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.99 : 41,735.97 = 20,216.10 : x
  2. Step 2: Convert to fraction form
    27,813.99/41,735.97 = 20,216.10/x
  3. Step 3: Cross multiply
    27,813.99x = 41,735.97 × 20,216.10
  4. Step 4: Simplify right side
    27,813.99x = 843,738,543.12
  5. Step 5: Solve for x
    x = 843,738,543.12/27,813.99
  6. Step 6: Final answer
    x = 30,335.04

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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.