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Finding the Fourth Proportional to 67,124.80, 92,634.49 and 36,911.40

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Solution

The fourth proportional to 67,124.80, 92,634.49 and 36,911.40 is: 50,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.80 : 92,634.49 = 36,911.40 : x
  2. Step 2: Convert to fraction form
    67,124.80/92,634.49 = 36,911.40/x
  3. Step 3: Cross multiply
    67,124.80x = 92,634.49 × 36,911.40
  4. Step 4: Simplify right side
    67,124.80x = 3,419,268,205.32
  5. Step 5: Solve for x
    x = 3,419,268,205.32/67,124.80
  6. Step 6: Final answer
    x = 50,938.97

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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.