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Finding the Fourth Proportional to 7,105.56, 10,658.24 and 3,207.22

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Solution

The fourth proportional to 7,105.56, 10,658.24 and 3,207.22 is: 4,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.56 : 10,658.24 = 3,207.22 : x
  2. Step 2: Convert to fraction form
    7,105.56/10,658.24 = 3,207.22/x
  3. Step 3: Cross multiply
    7,105.56x = 10,658.24 × 3,207.22
  4. Step 4: Simplify right side
    7,105.56x = 34,183,320.49
  5. Step 5: Solve for x
    x = 34,183,320.49/7,105.56
  6. Step 6: Final answer
    x = 4,810.78

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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.