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Finding the Fourth Proportional to 57,213.44, 85,820.22 and 23,915.28

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Solution

The fourth proportional to 57,213.44, 85,820.22 and 23,915.28 is: 35,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.44 : 85,820.22 = 23,915.28 : x
  2. Step 2: Convert to fraction form
    57,213.44/85,820.22 = 23,915.28/x
  3. Step 3: Cross multiply
    57,213.44x = 85,820.22 × 23,915.28
  4. Step 4: Simplify right side
    57,213.44x = 2,052,414,590.96
  5. Step 5: Solve for x
    x = 2,052,414,590.96/57,213.44
  6. Step 6: Final answer
    x = 35,872.95

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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.