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Finding the Fourth Proportional to 12,745.62, 17,584.02 and 9,396.41

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Solution

The fourth proportional to 12,745.62, 17,584.02 and 9,396.41 is: 12,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.62 : 17,584.02 = 9,396.41 : x
  2. Step 2: Convert to fraction form
    12,745.62/17,584.02 = 9,396.41/x
  3. Step 3: Cross multiply
    12,745.62x = 17,584.02 × 9,396.41
  4. Step 4: Simplify right side
    12,745.62x = 165,226,573.45
  5. Step 5: Solve for x
    x = 165,226,573.45/12,745.62
  6. Step 6: Final answer
    x = 12,963.40

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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.