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Finding the Fourth Proportional to 5,472.70, 7,551.63 and 3,082.73

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Solution

The fourth proportional to 5,472.70, 7,551.63 and 3,082.73 is: 4,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.70 : 7,551.63 = 3,082.73 : x
  2. Step 2: Convert to fraction form
    5,472.70/7,551.63 = 3,082.73/x
  3. Step 3: Cross multiply
    5,472.70x = 7,551.63 × 3,082.73
  4. Step 4: Simplify right side
    5,472.70x = 23,279,598.59
  5. Step 5: Solve for x
    x = 23,279,598.59/5,472.70
  6. Step 6: Final answer
    x = 4,253.77

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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.