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Finding the Fourth Proportional to 33,644.71, 50,511.71 and 28,745.83

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Solution

The fourth proportional to 33,644.71, 50,511.71 and 28,745.83 is: 43,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,644.71 : 50,511.71 = 28,745.83 : x
  2. Step 2: Convert to fraction form
    33,644.71/50,511.71 = 28,745.83/x
  3. Step 3: Cross multiply
    33,644.71x = 50,511.71 × 28,745.83
  4. Step 4: Simplify right side
    33,644.71x = 1,452,001,028.67
  5. Step 5: Solve for x
    x = 1,452,001,028.67/33,644.71
  6. Step 6: Final answer
    x = 43,156.89

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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.