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Finding the Fourth Proportional to 17,304.74, 25,961.03 and 5,458.44

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Solution

The fourth proportional to 17,304.74, 25,961.03 and 5,458.44 is: 8,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304.74 : 25,961.03 = 5,458.44 : x
  2. Step 2: Convert to fraction form
    17,304.74/25,961.03 = 5,458.44/x
  3. Step 3: Cross multiply
    17,304.74x = 25,961.03 × 5,458.44
  4. Step 4: Simplify right side
    17,304.74x = 141,706,684.45
  5. Step 5: Solve for x
    x = 141,706,684.45/17,304.74
  6. Step 6: Final answer
    x = 8,188.89

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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.