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Finding the Fourth Proportional to 67,119.72, 92,625.56 and 36,906.98

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Solution

The fourth proportional to 67,119.72, 92,625.56 and 36,906.98 is: 50,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.72 : 92,625.56 = 36,906.98 : x
  2. Step 2: Convert to fraction form
    67,119.72/92,625.56 = 36,906.98/x
  3. Step 3: Cross multiply
    67,119.72x = 92,625.56 × 36,906.98
  4. Step 4: Simplify right side
    67,119.72x = 3,418,529,690.41
  5. Step 5: Solve for x
    x = 3,418,529,690.41/67,119.72
  6. Step 6: Final answer
    x = 50,931.82

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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.