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Finding the Fourth Proportional to 11,394.52, 17,063.22 and 7,221.88

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Solution

The fourth proportional to 11,394.52, 17,063.22 and 7,221.88 is: 10,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.52 : 17,063.22 = 7,221.88 : x
  2. Step 2: Convert to fraction form
    11,394.52/17,063.22 = 7,221.88/x
  3. Step 3: Cross multiply
    11,394.52x = 17,063.22 × 7,221.88
  4. Step 4: Simplify right side
    11,394.52x = 123,228,527.25
  5. Step 5: Solve for x
    x = 123,228,527.25/11,394.52
  6. Step 6: Final answer
    x = 10,814.72

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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.