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Finding the Fourth Proportional to 6,719.99, 10,082.01 and 2,715.32

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Solution

The fourth proportional to 6,719.99, 10,082.01 and 2,715.32 is: 4,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.99 : 10,082.01 = 2,715.32 : x
  2. Step 2: Convert to fraction form
    6,719.99/10,082.01 = 2,715.32/x
  3. Step 3: Cross multiply
    6,719.99x = 10,082.01 × 2,715.32
  4. Step 4: Simplify right side
    6,719.99x = 27,375,832.98
  5. Step 5: Solve for x
    x = 27,375,832.98/6,719.99
  6. Step 6: Final answer
    x = 4,073.79

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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.