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Finding the Fourth Proportional to 69,082.72, 103,624.12 and 27,558.88

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Solution

The fourth proportional to 69,082.72, 103,624.12 and 27,558.88 is: 41,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.72 : 103,624.12 = 27,558.88 : x
  2. Step 2: Convert to fraction form
    69,082.72/103,624.12 = 27,558.88/x
  3. Step 3: Cross multiply
    69,082.72x = 103,624.12 × 27,558.88
  4. Step 4: Simplify right side
    69,082.72x = 2,855,764,688.19
  5. Step 5: Solve for x
    x = 2,855,764,688.19/69,082.72
  6. Step 6: Final answer
    x = 41,338.34

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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.