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Finding the Fourth Proportional to 45,544.67, 68,311.87 and 12,267.17

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Solution

The fourth proportional to 45,544.67, 68,311.87 and 12,267.17 is: 18,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,544.67 : 68,311.87 = 12,267.17 : x
  2. Step 2: Convert to fraction form
    45,544.67/68,311.87 = 12,267.17/x
  3. Step 3: Cross multiply
    45,544.67x = 68,311.87 × 12,267.17
  4. Step 4: Simplify right side
    45,544.67x = 837,993,322.31
  5. Step 5: Solve for x
    x = 837,993,322.31/45,544.67
  6. Step 6: Final answer
    x = 18,399.37

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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.