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Finding the Fourth Proportional to 17,193.78, 25,791.02 and 5,506.96

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Solution

The fourth proportional to 17,193.78, 25,791.02 and 5,506.96 is: 8,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.78 : 25,791.02 = 5,506.96 : x
  2. Step 2: Convert to fraction form
    17,193.78/25,791.02 = 5,506.96/x
  3. Step 3: Cross multiply
    17,193.78x = 25,791.02 × 5,506.96
  4. Step 4: Simplify right side
    17,193.78x = 142,030,115.50
  5. Step 5: Solve for x
    x = 142,030,115.50/17,193.78
  6. Step 6: Final answer
    x = 8,260.55

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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.