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Finding the Fourth Proportional to 10,993.96, 16,490.46 and 4,418.44

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Solution

The fourth proportional to 10,993.96, 16,490.46 and 4,418.44 is: 6,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.96 : 16,490.46 = 4,418.44 : x
  2. Step 2: Convert to fraction form
    10,993.96/16,490.46 = 4,418.44/x
  3. Step 3: Cross multiply
    10,993.96x = 16,490.46 × 4,418.44
  4. Step 4: Simplify right side
    10,993.96x = 72,862,108.08
  5. Step 5: Solve for x
    x = 72,862,108.08/10,993.96
  6. Step 6: Final answer
    x = 6,627.47

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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.