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Finding the Fourth Proportional to 33,591.78, 50,385.87 and 10,216.40

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Solution

The fourth proportional to 33,591.78, 50,385.87 and 10,216.40 is: 15,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,591.78 : 50,385.87 = 10,216.40 : x
  2. Step 2: Convert to fraction form
    33,591.78/50,385.87 = 10,216.40/x
  3. Step 3: Cross multiply
    33,591.78x = 50,385.87 × 10,216.40
  4. Step 4: Simplify right side
    33,591.78x = 514,761,950.34
  5. Step 5: Solve for x
    x = 514,761,950.34/33,591.78
  6. Step 6: Final answer
    x = 15,324.05

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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.