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Finding the Fourth Proportional to 15,992.82, 23,992.50 and 5,611.86

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Solution

The fourth proportional to 15,992.82, 23,992.50 and 5,611.86 is: 8,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.82 : 23,992.50 = 5,611.86 : x
  2. Step 2: Convert to fraction form
    15,992.82/23,992.50 = 5,611.86/x
  3. Step 3: Cross multiply
    15,992.82x = 23,992.50 × 5,611.86
  4. Step 4: Simplify right side
    15,992.82x = 134,642,551.05
  5. Step 5: Solve for x
    x = 134,642,551.05/15,992.82
  6. Step 6: Final answer
    x = 8,418.94

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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.