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Finding the Fourth Proportional to 67,134.26, 92,640.02 and 38,834.48

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Solution

The fourth proportional to 67,134.26, 92,640.02 and 38,834.48 is: 53,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.26 : 92,640.02 = 38,834.48 : x
  2. Step 2: Convert to fraction form
    67,134.26/92,640.02 = 38,834.48/x
  3. Step 3: Cross multiply
    67,134.26x = 92,640.02 × 38,834.48
  4. Step 4: Simplify right side
    67,134.26x = 3,597,627,003.89
  5. Step 5: Solve for x
    x = 3,597,627,003.89/67,134.26
  6. Step 6: Final answer
    x = 53,588.54

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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.