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Finding the Fourth Proportional to 11,860.44, 17,791.08 and 9,092.16

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Solution

The fourth proportional to 11,860.44, 17,791.08 and 9,092.16 is: 13,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.44 : 17,791.08 = 9,092.16 : x
  2. Step 2: Convert to fraction form
    11,860.44/17,791.08 = 9,092.16/x
  3. Step 3: Cross multiply
    11,860.44x = 17,791.08 × 9,092.16
  4. Step 4: Simplify right side
    11,860.44x = 161,759,345.93
  5. Step 5: Solve for x
    x = 161,759,345.93/11,860.44
  6. Step 6: Final answer
    x = 13,638.56

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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.