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Finding the Fourth Proportional to 65,996.34, 90,737.70 and 58,757.37

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Solution

The fourth proportional to 65,996.34, 90,737.70 and 58,757.37 is: 80,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,996.34 : 90,737.70 = 58,757.37 : x
  2. Step 2: Convert to fraction form
    65,996.34/90,737.70 = 58,757.37/x
  3. Step 3: Cross multiply
    65,996.34x = 90,737.70 × 58,757.37
  4. Step 4: Simplify right side
    65,996.34x = 5,331,508,611.85
  5. Step 5: Solve for x
    x = 5,331,508,611.85/65,996.34
  6. Step 6: Final answer
    x = 80,784.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.