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Finding the Fourth Proportional to 67,132.98, 92,645.93 and 36,920.64

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Solution

The fourth proportional to 67,132.98, 92,645.93 and 36,920.64 is: 50,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,132.98 : 92,645.93 = 36,920.64 : x
  2. Step 2: Convert to fraction form
    67,132.98/92,645.93 = 36,920.64/x
  3. Step 3: Cross multiply
    67,132.98x = 92,645.93 × 36,920.64
  4. Step 4: Simplify right side
    67,132.98x = 3,420,546,844.39
  5. Step 5: Solve for x
    x = 3,420,546,844.39/67,132.98
  6. Step 6: Final answer
    x = 50,951.81

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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.