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Finding the Fourth Proportional to 17,138.41, 25,702.11 and 5,448.89

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Solution

The fourth proportional to 17,138.41, 25,702.11 and 5,448.89 is: 8,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.41 : 25,702.11 = 5,448.89 : x
  2. Step 2: Convert to fraction form
    17,138.41/25,702.11 = 5,448.89/x
  3. Step 3: Cross multiply
    17,138.41x = 25,702.11 × 5,448.89
  4. Step 4: Simplify right side
    17,138.41x = 140,048,034.41
  5. Step 5: Solve for x
    x = 140,048,034.41/17,138.41
  6. Step 6: Final answer
    x = 8,171.59

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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.