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Finding the Fourth Proportional to 12,745.52, 17,583.91 and 9,396.29

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Solution

The fourth proportional to 12,745.52, 17,583.91 and 9,396.29 is: 12,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.52 : 17,583.91 = 9,396.29 : x
  2. Step 2: Convert to fraction form
    12,745.52/17,583.91 = 9,396.29/x
  3. Step 3: Cross multiply
    12,745.52x = 17,583.91 × 9,396.29
  4. Step 4: Simplify right side
    12,745.52x = 165,223,538.16
  5. Step 5: Solve for x
    x = 165,223,538.16/12,745.52
  6. Step 6: Final answer
    x = 12,963.27

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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.