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Finding the Fourth Proportional to 7,082.52, 10,620.54 and 2,152.68

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Solution

The fourth proportional to 7,082.52, 10,620.54 and 2,152.68 is: 3,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.52 : 10,620.54 = 2,152.68 : x
  2. Step 2: Convert to fraction form
    7,082.52/10,620.54 = 2,152.68/x
  3. Step 3: Cross multiply
    7,082.52x = 10,620.54 × 2,152.68
  4. Step 4: Simplify right side
    7,082.52x = 22,862,624.05
  5. Step 5: Solve for x
    x = 22,862,624.05/7,082.52
  6. Step 6: Final answer
    x = 3,228.04

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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.