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Finding the Fourth Proportional to 20,595.96, 30,893.94 and 8,283.96

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Solution

The fourth proportional to 20,595.96, 30,893.94 and 8,283.96 is: 12,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.96 : 30,893.94 = 8,283.96 : x
  2. Step 2: Convert to fraction form
    20,595.96/30,893.94 = 8,283.96/x
  3. Step 3: Cross multiply
    20,595.96x = 30,893.94 × 8,283.96
  4. Step 4: Simplify right side
    20,595.96x = 255,924,163.20
  5. Step 5: Solve for x
    x = 255,924,163.20/20,595.96
  6. Step 6: Final answer
    x = 12,425.94

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Similar ratio
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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.