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Finding the Fourth Proportional to 7,691.04, 11,556.24 and 7,476.96

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Solution

The fourth proportional to 7,691.04, 11,556.24 and 7,476.96 is: 11,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.04 : 11,556.24 = 7,476.96 : x
  2. Step 2: Convert to fraction form
    7,691.04/11,556.24 = 7,476.96/x
  3. Step 3: Cross multiply
    7,691.04x = 11,556.24 × 7,476.96
  4. Step 4: Simplify right side
    7,691.04x = 86,405,544.23
  5. Step 5: Solve for x
    x = 86,405,544.23/7,691.04
  6. Step 6: Final answer
    x = 11,234.57

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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.