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Finding the Fourth Proportional to 11,245.76, 16,846.10 and 5,606.44

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Solution

The fourth proportional to 11,245.76, 16,846.10 and 5,606.44 is: 8,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.76 : 16,846.10 = 5,606.44 : x
  2. Step 2: Convert to fraction form
    11,245.76/16,846.10 = 5,606.44/x
  3. Step 3: Cross multiply
    11,245.76x = 16,846.10 × 5,606.44
  4. Step 4: Simplify right side
    11,245.76x = 94,446,648.88
  5. Step 5: Solve for x
    x = 94,446,648.88/11,245.76
  6. Step 6: Final answer
    x = 8,398.42

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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.