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Finding the Fourth Proportional to 47,993.94, 71,992.60 and 12,934.44

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Solution

The fourth proportional to 47,993.94, 71,992.60 and 12,934.44 is: 19,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.94 : 71,992.60 = 12,934.44 : x
  2. Step 2: Convert to fraction form
    47,993.94/71,992.60 = 12,934.44/x
  3. Step 3: Cross multiply
    47,993.94x = 71,992.60 × 12,934.44
  4. Step 4: Simplify right side
    47,993.94x = 931,183,965.14
  5. Step 5: Solve for x
    x = 931,183,965.14/47,993.94
  6. Step 6: Final answer
    x = 19,402.12

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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.