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Finding the Fourth Proportional to 67,274.76, 92,850.10 and 38,996.84

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Solution

The fourth proportional to 67,274.76, 92,850.10 and 38,996.84 is: 53,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,274.76 : 92,850.10 = 38,996.84 : x
  2. Step 2: Convert to fraction form
    67,274.76/92,850.10 = 38,996.84/x
  3. Step 3: Cross multiply
    67,274.76x = 92,850.10 × 38,996.84
  4. Step 4: Simplify right side
    67,274.76x = 3,620,860,493.68
  5. Step 5: Solve for x
    x = 3,620,860,493.68/67,274.76
  6. Step 6: Final answer
    x = 53,821.98

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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.