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Finding the Fourth Proportional to 20,598.58, 30,873.98 and 9,481.92

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Solution

The fourth proportional to 20,598.58, 30,873.98 and 9,481.92 is: 14,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.58 : 30,873.98 = 9,481.92 : x
  2. Step 2: Convert to fraction form
    20,598.58/30,873.98 = 9,481.92/x
  3. Step 3: Cross multiply
    20,598.58x = 30,873.98 × 9,481.92
  4. Step 4: Simplify right side
    20,598.58x = 292,744,608.44
  5. Step 5: Solve for x
    x = 292,744,608.44/20,598.58
  6. Step 6: Final answer
    x = 14,211.88

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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.