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Finding the Fourth Proportional to 8,473.42, 12,709.46 and 3,793.24

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Solution

The fourth proportional to 8,473.42, 12,709.46 and 3,793.24 is: 5,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.42 : 12,709.46 = 3,793.24 : x
  2. Step 2: Convert to fraction form
    8,473.42/12,709.46 = 3,793.24/x
  3. Step 3: Cross multiply
    8,473.42x = 12,709.46 × 3,793.24
  4. Step 4: Simplify right side
    8,473.42x = 48,210,032.05
  5. Step 5: Solve for x
    x = 48,210,032.05/8,473.42
  6. Step 6: Final answer
    x = 5,689.56

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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.