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Finding the Fourth Proportional to 41,855.07, 62,775.63 and 13,775.43

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Solution

The fourth proportional to 41,855.07, 62,775.63 and 13,775.43 is: 20,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.07 : 62,775.63 = 13,775.43 : x
  2. Step 2: Convert to fraction form
    41,855.07/62,775.63 = 13,775.43/x
  3. Step 3: Cross multiply
    41,855.07x = 62,775.63 × 13,775.43
  4. Step 4: Simplify right side
    41,855.07x = 864,761,296.77
  5. Step 5: Solve for x
    x = 864,761,296.77/41,855.07
  6. Step 6: Final answer
    x = 20,660.85

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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.