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Finding the Fourth Proportional to 8,450.76, 12,679.38 and 5,954.34

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Solution

The fourth proportional to 8,450.76, 12,679.38 and 5,954.34 is: 8,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.76 : 12,679.38 = 5,954.34 : x
  2. Step 2: Convert to fraction form
    8,450.76/12,679.38 = 5,954.34/x
  3. Step 3: Cross multiply
    8,450.76x = 12,679.38 × 5,954.34
  4. Step 4: Simplify right side
    8,450.76x = 75,497,339.51
  5. Step 5: Solve for x
    x = 75,497,339.51/8,450.76
  6. Step 6: Final answer
    x = 8,933.79

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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.