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Finding the Fourth Proportional to 9,245.58, 12,768.21 and 5,889.89

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Solution

The fourth proportional to 9,245.58, 12,768.21 and 5,889.89 is: 8,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.58 : 12,768.21 = 5,889.89 : x
  2. Step 2: Convert to fraction form
    9,245.58/12,768.21 = 5,889.89/x
  3. Step 3: Cross multiply
    9,245.58x = 12,768.21 × 5,889.89
  4. Step 4: Simplify right side
    9,245.58x = 75,203,288.56
  5. Step 5: Solve for x
    x = 75,203,288.56/9,245.58
  6. Step 6: Final answer
    x = 8,133.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.