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Finding the Fourth Proportional to 67,190.55, 92,720.97 and 36,975.86

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Solution

The fourth proportional to 67,190.55, 92,720.97 and 36,975.86 is: 51,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,190.55 : 92,720.97 = 36,975.86 : x
  2. Step 2: Convert to fraction form
    67,190.55/92,720.97 = 36,975.86/x
  3. Step 3: Cross multiply
    67,190.55x = 92,720.97 × 36,975.86
  4. Step 4: Simplify right side
    67,190.55x = 3,428,437,489.88
  5. Step 5: Solve for x
    x = 3,428,437,489.88/67,190.55
  6. Step 6: Final answer
    x = 51,025.59

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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.