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Finding the Fourth Proportional to 67,168.78, 92,692.92 and 36,953.46

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Solution

The fourth proportional to 67,168.78, 92,692.92 and 36,953.46 is: 50,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,168.78 : 92,692.92 = 36,953.46 : x
  2. Step 2: Convert to fraction form
    67,168.78/92,692.92 = 36,953.46/x
  3. Step 3: Cross multiply
    67,168.78x = 92,692.92 × 36,953.46
  4. Step 4: Simplify right side
    67,168.78x = 3,425,323,648.04
  5. Step 5: Solve for x
    x = 3,425,323,648.04/67,168.78
  6. Step 6: Final answer
    x = 50,995.77

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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.