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Finding the Fourth Proportional to 67,000.77, 92,455.43 and 36,785.97

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Solution

The fourth proportional to 67,000.77, 92,455.43 and 36,785.97 is: 50,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,000.77 : 92,455.43 = 36,785.97 : x
  2. Step 2: Convert to fraction form
    67,000.77/92,455.43 = 36,785.97/x
  3. Step 3: Cross multiply
    67,000.77x = 92,455.43 × 36,785.97
  4. Step 4: Simplify right side
    67,000.77x = 3,401,062,490.39
  5. Step 5: Solve for x
    x = 3,401,062,490.39/67,000.77
  6. Step 6: Final answer
    x = 50,761.54

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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.