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Finding the Fourth Proportional to 57,157.52, 85,738.91 and 27,600.21

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Solution

The fourth proportional to 57,157.52, 85,738.91 and 27,600.21 is: 41,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.52 : 85,738.91 = 27,600.21 : x
  2. Step 2: Convert to fraction form
    57,157.52/85,738.91 = 27,600.21/x
  3. Step 3: Cross multiply
    57,157.52x = 85,738.91 × 27,600.21
  4. Step 4: Simplify right side
    57,157.52x = 2,366,411,783.17
  5. Step 5: Solve for x
    x = 2,366,411,783.17/57,157.52
  6. Step 6: Final answer
    x = 41,401.59

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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.