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Finding the Fourth Proportional to 39,997.50, 59,997.69 and 15,034.92

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Solution

The fourth proportional to 39,997.50, 59,997.69 and 15,034.92 is: 22,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997.50 : 59,997.69 = 15,034.92 : x
  2. Step 2: Convert to fraction form
    39,997.50/59,997.69 = 15,034.92/x
  3. Step 3: Cross multiply
    39,997.50x = 59,997.69 × 15,034.92
  4. Step 4: Simplify right side
    39,997.50x = 902,060,469.33
  5. Step 5: Solve for x
    x = 902,060,469.33/39,997.50
  6. Step 6: Final answer
    x = 22,552.92

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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.