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Finding the Fourth Proportional to 86,450.44, 129,598.72 and 33,896.56

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Solution

The fourth proportional to 86,450.44, 129,598.72 and 33,896.56 is: 50,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.44 : 129,598.72 = 33,896.56 : x
  2. Step 2: Convert to fraction form
    86,450.44/129,598.72 = 33,896.56/x
  3. Step 3: Cross multiply
    86,450.44x = 129,598.72 × 33,896.56
  4. Step 4: Simplify right side
    86,450.44x = 4,392,950,788.40
  5. Step 5: Solve for x
    x = 4,392,950,788.40/86,450.44
  6. Step 6: Final answer
    x = 50,814.67

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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.