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Finding the Fourth Proportional to 20,394.52, 30,588.12 and 5,601.52

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Solution

The fourth proportional to 20,394.52, 30,588.12 and 5,601.52 is: 8,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.52 : 30,588.12 = 5,601.52 : x
  2. Step 2: Convert to fraction form
    20,394.52/30,588.12 = 5,601.52/x
  3. Step 3: Cross multiply
    20,394.52x = 30,588.12 × 5,601.52
  4. Step 4: Simplify right side
    20,394.52x = 171,339,965.94
  5. Step 5: Solve for x
    x = 171,339,965.94/20,394.52
  6. Step 6: Final answer
    x = 8,401.27

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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.