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Finding the Fourth Proportional to 8,961.93, 13,432.82 and 4,348.17

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Solution

The fourth proportional to 8,961.93, 13,432.82 and 4,348.17 is: 6,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.93 : 13,432.82 = 4,348.17 : x
  2. Step 2: Convert to fraction form
    8,961.93/13,432.82 = 4,348.17/x
  3. Step 3: Cross multiply
    8,961.93x = 13,432.82 × 4,348.17
  4. Step 4: Simplify right side
    8,961.93x = 58,408,163.20
  5. Step 5: Solve for x
    x = 58,408,163.20/8,961.93
  6. Step 6: Final answer
    x = 6,517.36

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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.