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Finding the Fourth Proportional to 23,481.70, 35,228.03 and 7,686.67

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Solution

The fourth proportional to 23,481.70, 35,228.03 and 7,686.67 is: 11,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,481.70 : 35,228.03 = 7,686.67 : x
  2. Step 2: Convert to fraction form
    23,481.70/35,228.03 = 7,686.67/x
  3. Step 3: Cross multiply
    23,481.70x = 35,228.03 × 7,686.67
  4. Step 4: Simplify right side
    23,481.70x = 270,786,241.36
  5. Step 5: Solve for x
    x = 270,786,241.36/23,481.70
  6. Step 6: Final answer
    x = 11,531.80

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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.