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Finding the Fourth Proportional to 26,553.76, 39,830.76 and 10,759.10

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Solution

The fourth proportional to 26,553.76, 39,830.76 and 10,759.10 is: 16,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.76 : 39,830.76 = 10,759.10 : x
  2. Step 2: Convert to fraction form
    26,553.76/39,830.76 = 10,759.10/x
  3. Step 3: Cross multiply
    26,553.76x = 39,830.76 × 10,759.10
  4. Step 4: Simplify right side
    26,553.76x = 428,542,930.76
  5. Step 5: Solve for x
    x = 428,542,930.76/26,553.76
  6. Step 6: Final answer
    x = 16,138.69

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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.