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Finding the Fourth Proportional to 8,313.44, 12,473.82 and 3,934.04

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Solution

The fourth proportional to 8,313.44, 12,473.82 and 3,934.04 is: 5,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.44 : 12,473.82 = 3,934.04 : x
  2. Step 2: Convert to fraction form
    8,313.44/12,473.82 = 3,934.04/x
  3. Step 3: Cross multiply
    8,313.44x = 12,473.82 × 3,934.04
  4. Step 4: Simplify right side
    8,313.44x = 49,072,506.83
  5. Step 5: Solve for x
    x = 49,072,506.83/8,313.44
  6. Step 6: Final answer
    x = 5,902.79

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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.