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Finding the Fourth Proportional to 32,338.56, 48,493.92 and 12,613.44

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Solution

The fourth proportional to 32,338.56, 48,493.92 and 12,613.44 is: 18,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,338.56 : 48,493.92 = 12,613.44 : x
  2. Step 2: Convert to fraction form
    32,338.56/48,493.92 = 12,613.44/x
  3. Step 3: Cross multiply
    32,338.56x = 48,493.92 × 12,613.44
  4. Step 4: Simplify right side
    32,338.56x = 611,675,150.28
  5. Step 5: Solve for x
    x = 611,675,150.28/32,338.56
  6. Step 6: Final answer
    x = 18,914.73

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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.