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Finding the Fourth Proportional to 33,548.40, 50,279.40 and 25,718.40

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Solution

The fourth proportional to 33,548.40, 50,279.40 and 25,718.40 is: 38,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,548.40 : 50,279.40 = 25,718.40 : x
  2. Step 2: Convert to fraction form
    33,548.40/50,279.40 = 25,718.40/x
  3. Step 3: Cross multiply
    33,548.40x = 50,279.40 × 25,718.40
  4. Step 4: Simplify right side
    33,548.40x = 1,293,105,720.96
  5. Step 5: Solve for x
    x = 1,293,105,720.96/33,548.40
  6. Step 6: Final answer
    x = 38,544.48

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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.