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Finding the Fourth Proportional to 36,409.92, 54,611.16 and 11,450.16

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Solution

The fourth proportional to 36,409.92, 54,611.16 and 11,450.16 is: 17,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,409.92 : 54,611.16 = 11,450.16 : x
  2. Step 2: Convert to fraction form
    36,409.92/54,611.16 = 11,450.16/x
  3. Step 3: Cross multiply
    36,409.92x = 54,611.16 × 11,450.16
  4. Step 4: Simplify right side
    36,409.92x = 625,306,519.79
  5. Step 5: Solve for x
    x = 625,306,519.79/36,409.92
  6. Step 6: Final answer
    x = 17,174.07

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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.