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Finding the Fourth Proportional to 34,491.87, 51,736.10 and 20,268.27

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Solution

The fourth proportional to 34,491.87, 51,736.10 and 20,268.27 is: 30,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,491.87 : 51,736.10 = 20,268.27 : x
  2. Step 2: Convert to fraction form
    34,491.87/51,736.10 = 20,268.27/x
  3. Step 3: Cross multiply
    34,491.87x = 51,736.10 × 20,268.27
  4. Step 4: Simplify right side
    34,491.87x = 1,048,601,142.21
  5. Step 5: Solve for x
    x = 1,048,601,142.21/34,491.87
  6. Step 6: Final answer
    x = 30,401.40

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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.