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Finding the Fourth Proportional to 12,092.40, 17,992.29 and 11,791.08

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Solution

The fourth proportional to 12,092.40, 17,992.29 and 11,791.08 is: 17,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.40 : 17,992.29 = 11,791.08 : x
  2. Step 2: Convert to fraction form
    12,092.40/17,992.29 = 11,791.08/x
  3. Step 3: Cross multiply
    12,092.40x = 17,992.29 × 11,791.08
  4. Step 4: Simplify right side
    12,092.40x = 212,148,530.77
  5. Step 5: Solve for x
    x = 212,148,530.77/12,092.40
  6. Step 6: Final answer
    x = 17,543.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.