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Finding the Fourth Proportional to 57,372.37, 85,933.93 and 27,728.03

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Solution

The fourth proportional to 57,372.37, 85,933.93 and 27,728.03 is: 41,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,372.37 : 85,933.93 = 27,728.03 : x
  2. Step 2: Convert to fraction form
    57,372.37/85,933.93 = 27,728.03/x
  3. Step 3: Cross multiply
    57,372.37x = 85,933.93 × 27,728.03
  4. Step 4: Simplify right side
    57,372.37x = 2,382,778,450.42
  5. Step 5: Solve for x
    x = 2,382,778,450.42/57,372.37
  6. Step 6: Final answer
    x = 41,531.82

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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.