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Finding the Fourth Proportional to 33,107.54, 49,650.74 and 10,916.78

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Solution

The fourth proportional to 33,107.54, 49,650.74 and 10,916.78 is: 16,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.54 : 49,650.74 = 10,916.78 : x
  2. Step 2: Convert to fraction form
    33,107.54/49,650.74 = 10,916.78/x
  3. Step 3: Cross multiply
    33,107.54x = 49,650.74 × 10,916.78
  4. Step 4: Simplify right side
    33,107.54x = 542,026,205.42
  5. Step 5: Solve for x
    x = 542,026,205.42/33,107.54
  6. Step 6: Final answer
    x = 16,371.68

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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.