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Finding the Fourth Proportional to 26,644.70, 39,930.60 and 17,734.70

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Solution

The fourth proportional to 26,644.70, 39,930.60 and 17,734.70 is: 26,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.70 : 39,930.60 = 17,734.70 : x
  2. Step 2: Convert to fraction form
    26,644.70/39,930.60 = 17,734.70/x
  3. Step 3: Cross multiply
    26,644.70x = 39,930.60 × 17,734.70
  4. Step 4: Simplify right side
    26,644.70x = 708,157,211.82
  5. Step 5: Solve for x
    x = 708,157,211.82/26,644.70
  6. Step 6: Final answer
    x = 26,577.79

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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.