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Finding the Fourth Proportional to 57,461.70, 86,192.55 and 27,937.20

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Solution

The fourth proportional to 57,461.70, 86,192.55 and 27,937.20 is: 41,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,461.70 : 86,192.55 = 27,937.20 : x
  2. Step 2: Convert to fraction form
    57,461.70/86,192.55 = 27,937.20/x
  3. Step 3: Cross multiply
    57,461.70x = 86,192.55 × 27,937.20
  4. Step 4: Simplify right side
    57,461.70x = 2,407,978,507.86
  5. Step 5: Solve for x
    x = 2,407,978,507.86/57,461.70
  6. Step 6: Final answer
    x = 41,905.80

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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.