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Finding the Fourth Proportional to 89,893.67, 134,887.61 and 33,772.55

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Solution

The fourth proportional to 89,893.67, 134,887.61 and 33,772.55 is: 50,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.67 : 134,887.61 = 33,772.55 : x
  2. Step 2: Convert to fraction form
    89,893.67/134,887.61 = 33,772.55/x
  3. Step 3: Cross multiply
    89,893.67x = 134,887.61 × 33,772.55
  4. Step 4: Simplify right side
    89,893.67x = 4,555,497,963.10
  5. Step 5: Solve for x
    x = 4,555,497,963.10/89,893.67
  6. Step 6: Final answer
    x = 50,676.52

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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.