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Finding the Fourth Proportional to 50,929.50, 76,424.97 and 21,745.50

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Solution

The fourth proportional to 50,929.50, 76,424.97 and 21,745.50 is: 32,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.50 : 76,424.97 = 21,745.50 : x
  2. Step 2: Convert to fraction form
    50,929.50/76,424.97 = 21,745.50/x
  3. Step 3: Cross multiply
    50,929.50x = 76,424.97 × 21,745.50
  4. Step 4: Simplify right side
    50,929.50x = 1,661,899,185.14
  5. Step 5: Solve for x
    x = 1,661,899,185.14/50,929.50
  6. Step 6: Final answer
    x = 32,631.37

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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.