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Finding the Fourth Proportional to 33,286.40, 49,922.40 and 14,566.40

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Solution

The fourth proportional to 33,286.40, 49,922.40 and 14,566.40 is: 21,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.40 : 49,922.40 = 14,566.40 : x
  2. Step 2: Convert to fraction form
    33,286.40/49,922.40 = 14,566.40/x
  3. Step 3: Cross multiply
    33,286.40x = 49,922.40 × 14,566.40
  4. Step 4: Simplify right side
    33,286.40x = 727,189,647.36
  5. Step 5: Solve for x
    x = 727,189,647.36/33,286.40
  6. Step 6: Final answer
    x = 21,846.45

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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.