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Finding the Fourth Proportional to 23,992.70, 33,109.16 and 13,090.44

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Solution

The fourth proportional to 23,992.70, 33,109.16 and 13,090.44 is: 18,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,992.70 : 33,109.16 = 13,090.44 : x
  2. Step 2: Convert to fraction form
    23,992.70/33,109.16 = 13,090.44/x
  3. Step 3: Cross multiply
    23,992.70x = 33,109.16 × 13,090.44
  4. Step 4: Simplify right side
    23,992.70x = 433,413,472.43
  5. Step 5: Solve for x
    x = 433,413,472.43/23,992.70
  6. Step 6: Final answer
    x = 18,064.39

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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.