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Finding the Fourth Proportional to 15,893.91, 23,847.59 and 7,992.27

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Solution

The fourth proportional to 15,893.91, 23,847.59 and 7,992.27 is: 11,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.91 : 23,847.59 = 7,992.27 : x
  2. Step 2: Convert to fraction form
    15,893.91/23,847.59 = 7,992.27/x
  3. Step 3: Cross multiply
    15,893.91x = 23,847.59 × 7,992.27
  4. Step 4: Simplify right side
    15,893.91x = 190,596,398.11
  5. Step 5: Solve for x
    x = 190,596,398.11/15,893.91
  6. Step 6: Final answer
    x = 11,991.79

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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.