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Finding the Fourth Proportional to 67,076.91, 92,560.12 and 36,861.89

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Solution

The fourth proportional to 67,076.91, 92,560.12 and 36,861.89 is: 50,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.91 : 92,560.12 = 36,861.89 : x
  2. Step 2: Convert to fraction form
    67,076.91/92,560.12 = 36,861.89/x
  3. Step 3: Cross multiply
    67,076.91x = 92,560.12 × 36,861.89
  4. Step 4: Simplify right side
    67,076.91x = 3,411,940,961.83
  5. Step 5: Solve for x
    x = 3,411,940,961.83/67,076.91
  6. Step 6: Final answer
    x = 50,866.10

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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.