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Finding the Fourth Proportional to 35,324.52, 48,745.01 and 20,213.72

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Solution

The fourth proportional to 35,324.52, 48,745.01 and 20,213.72 is: 27,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,324.52 : 48,745.01 = 20,213.72 : x
  2. Step 2: Convert to fraction form
    35,324.52/48,745.01 = 20,213.72/x
  3. Step 3: Cross multiply
    35,324.52x = 48,745.01 × 20,213.72
  4. Step 4: Simplify right side
    35,324.52x = 985,317,790.35
  5. Step 5: Solve for x
    x = 985,317,790.35/35,324.52
  6. Step 6: Final answer
    x = 27,893.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.