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Finding the Fourth Proportional to 12,745.92, 17,595.77 and 7,968.52

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Solution

The fourth proportional to 12,745.92, 17,595.77 and 7,968.52 is: 11,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.92 : 17,595.77 = 7,968.52 : x
  2. Step 2: Convert to fraction form
    12,745.92/17,595.77 = 7,968.52/x
  3. Step 3: Cross multiply
    12,745.92x = 17,595.77 × 7,968.52
  4. Step 4: Simplify right side
    12,745.92x = 140,212,161.33
  5. Step 5: Solve for x
    x = 140,212,161.33/12,745.92
  6. Step 6: Final answer
    x = 11,000.55

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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.