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Finding the Fourth Proportional to 50,609.21, 75,906.02 and 17,321.63

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Solution

The fourth proportional to 50,609.21, 75,906.02 and 17,321.63 is: 25,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,609.21 : 75,906.02 = 17,321.63 : x
  2. Step 2: Convert to fraction form
    50,609.21/75,906.02 = 17,321.63/x
  3. Step 3: Cross multiply
    50,609.21x = 75,906.02 × 17,321.63
  4. Step 4: Simplify right side
    50,609.21x = 1,314,815,527.07
  5. Step 5: Solve for x
    x = 1,314,815,527.07/50,609.21
  6. Step 6: Final answer
    x = 25,979.77

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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.