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Finding the Fourth Proportional to 7,082.46, 10,690.26 and 7,082.46

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Solution

The fourth proportional to 7,082.46, 10,690.26 and 7,082.46 is: 10,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.46 : 10,690.26 = 7,082.46 : x
  2. Step 2: Convert to fraction form
    7,082.46/10,690.26 = 7,082.46/x
  3. Step 3: Cross multiply
    7,082.46x = 10,690.26 × 7,082.46
  4. Step 4: Simplify right side
    7,082.46x = 75,713,338.84
  5. Step 5: Solve for x
    x = 75,713,338.84/7,082.46
  6. Step 6: Final answer
    x = 10,690.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.