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Finding the Fourth Proportional to 67,150.70, 92,668.15 and 36,939.12

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Solution

The fourth proportional to 67,150.70, 92,668.15 and 36,939.12 is: 50,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,150.70 : 92,668.15 = 36,939.12 : x
  2. Step 2: Convert to fraction form
    67,150.70/92,668.15 = 36,939.12/x
  3. Step 3: Cross multiply
    67,150.70x = 92,668.15 × 36,939.12
  4. Step 4: Simplify right side
    67,150.70x = 3,423,079,913.03
  5. Step 5: Solve for x
    x = 3,423,079,913.03/67,150.70
  6. Step 6: Final answer
    x = 50,976.09

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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.