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Finding the Fourth Proportional to 11,941.70, 17,910.39 and 4,043.39

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Solution

The fourth proportional to 11,941.70, 17,910.39 and 4,043.39 is: 6,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.70 : 17,910.39 = 4,043.39 : x
  2. Step 2: Convert to fraction form
    11,941.70/17,910.39 = 4,043.39/x
  3. Step 3: Cross multiply
    11,941.70x = 17,910.39 × 4,043.39
  4. Step 4: Simplify right side
    11,941.70x = 72,418,691.82
  5. Step 5: Solve for x
    x = 72,418,691.82/11,941.70
  6. Step 6: Final answer
    x = 6,064.35

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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.