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Finding the Fourth Proportional to 51,342.96, 76,981.23 and 33,759.48

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Solution

The fourth proportional to 51,342.96, 76,981.23 and 33,759.48 is: 50,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.96 : 76,981.23 = 33,759.48 : x
  2. Step 2: Convert to fraction form
    51,342.96/76,981.23 = 33,759.48/x
  3. Step 3: Cross multiply
    51,342.96x = 76,981.23 × 33,759.48
  4. Step 4: Simplify right side
    51,342.96x = 2,598,846,294.56
  5. Step 5: Solve for x
    x = 2,598,846,294.56/51,342.96
  6. Step 6: Final answer
    x = 50,617.38

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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.