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Finding the Fourth Proportional to 23,992.80, 33,110.12 and 13,383.12

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Solution

The fourth proportional to 23,992.80, 33,110.12 and 13,383.12 is: 18,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,992.80 : 33,110.12 = 13,383.12 : x
  2. Step 2: Convert to fraction form
    23,992.80/33,110.12 = 13,383.12/x
  3. Step 3: Cross multiply
    23,992.80x = 33,110.12 × 13,383.12
  4. Step 4: Simplify right side
    23,992.80x = 443,116,709.17
  5. Step 5: Solve for x
    x = 443,116,709.17/23,992.80
  6. Step 6: Final answer
    x = 18,468.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.