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Finding the Fourth Proportional to 11,375.40, 17,063.30 and 7,102.44

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Solution

The fourth proportional to 11,375.40, 17,063.30 and 7,102.44 is: 10,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.40 : 17,063.30 = 7,102.44 : x
  2. Step 2: Convert to fraction form
    11,375.40/17,063.30 = 7,102.44/x
  3. Step 3: Cross multiply
    11,375.40x = 17,063.30 × 7,102.44
  4. Step 4: Simplify right side
    11,375.40x = 121,191,064.45
  5. Step 5: Solve for x
    x = 121,191,064.45/11,375.40
  6. Step 6: Final answer
    x = 10,653.78

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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.