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Finding the Fourth Proportional to 11,375.34, 17,063.07 and 7,102.32

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Solution

The fourth proportional to 11,375.34, 17,063.07 and 7,102.32 is: 10,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.34 : 17,063.07 = 7,102.32 : x
  2. Step 2: Convert to fraction form
    11,375.34/17,063.07 = 7,102.32/x
  3. Step 3: Cross multiply
    11,375.34x = 17,063.07 × 7,102.32
  4. Step 4: Simplify right side
    11,375.34x = 121,187,383.32
  5. Step 5: Solve for x
    x = 121,187,383.32/11,375.34
  6. Step 6: Final answer
    x = 10,653.52

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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.