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Finding the Fourth Proportional to 7,493.26, 11,239.88 and 2,021.26

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Solution

The fourth proportional to 7,493.26, 11,239.88 and 2,021.26 is: 3,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.26 : 11,239.88 = 2,021.26 : x
  2. Step 2: Convert to fraction form
    7,493.26/11,239.88 = 2,021.26/x
  3. Step 3: Cross multiply
    7,493.26x = 11,239.88 × 2,021.26
  4. Step 4: Simplify right side
    7,493.26x = 22,718,719.85
  5. Step 5: Solve for x
    x = 22,718,719.85/7,493.26
  6. Step 6: Final answer
    x = 3,031.89

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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.