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Finding the Fourth Proportional to 11,600.98, 17,401.45 and 4,205.43

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Solution

The fourth proportional to 11,600.98, 17,401.45 and 4,205.43 is: 6,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.98 : 17,401.45 = 4,205.43 : x
  2. Step 2: Convert to fraction form
    11,600.98/17,401.45 = 4,205.43/x
  3. Step 3: Cross multiply
    11,600.98x = 17,401.45 × 4,205.43
  4. Step 4: Simplify right side
    11,600.98x = 73,180,579.87
  5. Step 5: Solve for x
    x = 73,180,579.87/11,600.98
  6. Step 6: Final answer
    x = 6,308.14

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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.