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Finding the Fourth Proportional to 67,000.45, 92,461.04 and 36,787.09

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Solution

The fourth proportional to 67,000.45, 92,461.04 and 36,787.09 is: 50,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,000.45 : 92,461.04 = 36,787.09 : x
  2. Step 2: Convert to fraction form
    67,000.45/92,461.04 = 36,787.09/x
  3. Step 3: Cross multiply
    67,000.45x = 92,461.04 × 36,787.09
  4. Step 4: Simplify right side
    67,000.45x = 3,401,372,599.97
  5. Step 5: Solve for x
    x = 3,401,372,599.97/67,000.45
  6. Step 6: Final answer
    x = 50,766.41

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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.