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Finding the Fourth Proportional to 67,349.48, 92,942.94 and 37,135.90

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Solution

The fourth proportional to 67,349.48, 92,942.94 and 37,135.90 is: 51,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,349.48 : 92,942.94 = 37,135.90 : x
  2. Step 2: Convert to fraction form
    67,349.48/92,942.94 = 37,135.90/x
  3. Step 3: Cross multiply
    67,349.48x = 92,942.94 × 37,135.90
  4. Step 4: Simplify right side
    67,349.48x = 3,451,519,725.55
  5. Step 5: Solve for x
    x = 3,451,519,725.55/67,349.48
  6. Step 6: Final answer
    x = 51,247.90

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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.