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Finding the Fourth Proportional to 12,702.42, 17,523.44 and 8,227.68

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Solution

The fourth proportional to 12,702.42, 17,523.44 and 8,227.68 is: 11,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.42 : 17,523.44 = 8,227.68 : x
  2. Step 2: Convert to fraction form
    12,702.42/17,523.44 = 8,227.68/x
  3. Step 3: Cross multiply
    12,702.42x = 17,523.44 × 8,227.68
  4. Step 4: Simplify right side
    12,702.42x = 144,177,180.82
  5. Step 5: Solve for x
    x = 144,177,180.82/12,702.42
  6. Step 6: Final answer
    x = 11,350.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.