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Finding the Fourth Proportional to 6,719.99, 10,082.79 and 3,599.19

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Solution

The fourth proportional to 6,719.99, 10,082.79 and 3,599.19 is: 5,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.99 : 10,082.79 = 3,599.19 : x
  2. Step 2: Convert to fraction form
    6,719.99/10,082.79 = 3,599.19/x
  3. Step 3: Cross multiply
    6,719.99x = 10,082.79 × 3,599.19
  4. Step 4: Simplify right side
    6,719.99x = 36,289,876.94
  5. Step 5: Solve for x
    x = 36,289,876.94/6,719.99
  6. Step 6: Final answer
    x = 5,400.29

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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.