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Finding the Fourth Proportional to 73,539.72, 101,469.78 and 41,700.24

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Solution

The fourth proportional to 73,539.72, 101,469.78 and 41,700.24 is: 57,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.72 : 101,469.78 = 41,700.24 : x
  2. Step 2: Convert to fraction form
    73,539.72/101,469.78 = 41,700.24/x
  3. Step 3: Cross multiply
    73,539.72x = 101,469.78 × 41,700.24
  4. Step 4: Simplify right side
    73,539.72x = 4,231,314,178.75
  5. Step 5: Solve for x
    x = 4,231,314,178.75/73,539.72
  6. Step 6: Final answer
    x = 57,537.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.