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Finding the Fourth Proportional to 11,344.95, 17,017.43 and 5,512.95

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Solution

The fourth proportional to 11,344.95, 17,017.43 and 5,512.95 is: 8,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.95 : 17,017.43 = 5,512.95 : x
  2. Step 2: Convert to fraction form
    11,344.95/17,017.43 = 5,512.95/x
  3. Step 3: Cross multiply
    11,344.95x = 17,017.43 × 5,512.95
  4. Step 4: Simplify right side
    11,344.95x = 93,816,213.15
  5. Step 5: Solve for x
    x = 93,816,213.15/11,344.95
  6. Step 6: Final answer
    x = 8,269.43

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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.