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Finding the Fourth Proportional to 67,133.88, 92,645.82 and 36,920.52

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Solution

The fourth proportional to 67,133.88, 92,645.82 and 36,920.52 is: 50,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,133.88 : 92,645.82 = 36,920.52 : x
  2. Step 2: Convert to fraction form
    67,133.88/92,645.82 = 36,920.52/x
  3. Step 3: Cross multiply
    67,133.88x = 92,645.82 × 36,920.52
  4. Step 4: Simplify right side
    67,133.88x = 3,420,531,850.23
  5. Step 5: Solve for x
    x = 3,420,531,850.23/67,133.88
  6. Step 6: Final answer
    x = 50,950.90

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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.