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Finding the Fourth Proportional to 11,936.52, 17,881.74 and 9,194.76

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Solution

The fourth proportional to 11,936.52, 17,881.74 and 9,194.76 is: 13,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.52 : 17,881.74 = 9,194.76 : x
  2. Step 2: Convert to fraction form
    11,936.52/17,881.74 = 9,194.76/x
  3. Step 3: Cross multiply
    11,936.52x = 17,881.74 × 9,194.76
  4. Step 4: Simplify right side
    11,936.52x = 164,418,307.68
  5. Step 5: Solve for x
    x = 164,418,307.68/11,936.52
  6. Step 6: Final answer
    x = 13,774.39

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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.