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Finding the Fourth Proportional to 68,174.72, 94,079.04 and 37,961.60

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Solution

The fourth proportional to 68,174.72, 94,079.04 and 37,961.60 is: 52,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,174.72 : 94,079.04 = 37,961.60 : x
  2. Step 2: Convert to fraction form
    68,174.72/94,079.04 = 37,961.60/x
  3. Step 3: Cross multiply
    68,174.72x = 94,079.04 × 37,961.60
  4. Step 4: Simplify right side
    68,174.72x = 3,571,390,884.86
  5. Step 5: Solve for x
    x = 3,571,390,884.86/68,174.72
  6. Step 6: Final answer
    x = 52,385.85

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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.