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Finding the Fourth Proportional to 67,092.40, 92,589.86 and 36,878.99

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Solution

The fourth proportional to 67,092.40, 92,589.86 and 36,878.99 is: 50,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,092.40 : 92,589.86 = 36,878.99 : x
  2. Step 2: Convert to fraction form
    67,092.40/92,589.86 = 36,878.99/x
  3. Step 3: Cross multiply
    67,092.40x = 92,589.86 × 36,878.99
  4. Step 4: Simplify right side
    67,092.40x = 3,414,620,521.04
  5. Step 5: Solve for x
    x = 3,414,620,521.04/67,092.40
  6. Step 6: Final answer
    x = 50,894.30

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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.