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Finding the Fourth Proportional to 67,156, 92,677.32 and 36,939.76

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Solution

The fourth proportional to 67,156, 92,677.32 and 36,939.76 is: 50,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156 : 92,677.32 = 36,939.76 : x
  2. Step 2: Convert to fraction form
    67,156/92,677.32 = 36,939.76/x
  3. Step 3: Cross multiply
    67,156x = 92,677.32 × 36,939.76
  4. Step 4: Simplify right side
    67,156x = 3,423,477,958.24
  5. Step 5: Solve for x
    x = 3,423,477,958.24/67,156
  6. Step 6: Final answer
    x = 50,977.99

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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.