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Finding the Fourth Proportional to 89,094.89, 133,640.90 and 21,627.48

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Solution

The fourth proportional to 89,094.89, 133,640.90 and 21,627.48 is: 32,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,094.89 : 133,640.90 = 21,627.48 : x
  2. Step 2: Convert to fraction form
    89,094.89/133,640.90 = 21,627.48/x
  3. Step 3: Cross multiply
    89,094.89x = 133,640.90 × 21,627.48
  4. Step 4: Simplify right side
    89,094.89x = 2,890,315,891.93
  5. Step 5: Solve for x
    x = 2,890,315,891.93/89,094.89
  6. Step 6: Final answer
    x = 32,440.87

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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.