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Finding the Fourth Proportional to 89,893.42, 134,887.22 and 33,772.25

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Solution

The fourth proportional to 89,893.42, 134,887.22 and 33,772.25 is: 50,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.42 : 134,887.22 = 33,772.25 : x
  2. Step 2: Convert to fraction form
    89,893.42/134,887.22 = 33,772.25/x
  3. Step 3: Cross multiply
    89,893.42x = 134,887.22 × 33,772.25
  4. Step 4: Simplify right side
    89,893.42x = 4,555,444,915.65
  5. Step 5: Solve for x
    x = 4,555,444,915.65/89,893.42
  6. Step 6: Final answer
    x = 50,676.07

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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.