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Finding the Fourth Proportional to 7,073.94, 10,609.53 and 6,722.70

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Solution

The fourth proportional to 7,073.94, 10,609.53 and 6,722.70 is: 10,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.94 : 10,609.53 = 6,722.70 : x
  2. Step 2: Convert to fraction form
    7,073.94/10,609.53 = 6,722.70/x
  3. Step 3: Cross multiply
    7,073.94x = 10,609.53 × 6,722.70
  4. Step 4: Simplify right side
    7,073.94x = 71,324,687.33
  5. Step 5: Solve for x
    x = 71,324,687.33/7,073.94
  6. Step 6: Final answer
    x = 10,082.74

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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.