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Finding the Fourth Proportional to 11,375.84, 17,063.82 and 7,102.82

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Solution

The fourth proportional to 11,375.84, 17,063.82 and 7,102.82 is: 10,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.84 : 17,063.82 = 7,102.82 : x
  2. Step 2: Convert to fraction form
    11,375.84/17,063.82 = 7,102.82/x
  3. Step 3: Cross multiply
    11,375.84x = 17,063.82 × 7,102.82
  4. Step 4: Simplify right side
    11,375.84x = 121,201,241.97
  5. Step 5: Solve for x
    x = 121,201,241.97/11,375.84
  6. Step 6: Final answer
    x = 10,654.27

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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.