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Finding the Fourth Proportional to 26,654.70, 39,945.60 and 17,744.70

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Solution

The fourth proportional to 26,654.70, 39,945.60 and 17,744.70 is: 26,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,654.70 : 39,945.60 = 17,744.70 : x
  2. Step 2: Convert to fraction form
    26,654.70/39,945.60 = 17,744.70/x
  3. Step 3: Cross multiply
    26,654.70x = 39,945.60 × 17,744.70
  4. Step 4: Simplify right side
    26,654.70x = 708,822,688.32
  5. Step 5: Solve for x
    x = 708,822,688.32/26,654.70
  6. Step 6: Final answer
    x = 26,592.78

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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.