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Finding the Fourth Proportional to 11,791.82, 17,693.54 and 5,552.40

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Solution

The fourth proportional to 11,791.82, 17,693.54 and 5,552.40 is: 8,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.82 : 17,693.54 = 5,552.40 : x
  2. Step 2: Convert to fraction form
    11,791.82/17,693.54 = 5,552.40/x
  3. Step 3: Cross multiply
    11,791.82x = 17,693.54 × 5,552.40
  4. Step 4: Simplify right side
    11,791.82x = 98,241,611.50
  5. Step 5: Solve for x
    x = 98,241,611.50/11,791.82
  6. Step 6: Final answer
    x = 8,331.34

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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.