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Finding the Fourth Proportional to 38,493.48, 57,742.46 and 10,793.64

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Solution

The fourth proportional to 38,493.48, 57,742.46 and 10,793.64 is: 16,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.48 : 57,742.46 = 10,793.64 : x
  2. Step 2: Convert to fraction form
    38,493.48/57,742.46 = 10,793.64/x
  3. Step 3: Cross multiply
    38,493.48x = 57,742.46 × 10,793.64
  4. Step 4: Simplify right side
    38,493.48x = 623,251,325.95
  5. Step 5: Solve for x
    x = 623,251,325.95/38,493.48
  6. Step 6: Final answer
    x = 16,191.09

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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.