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Finding the Fourth Proportional to 67,089.82, 92,584.89 and 36,878.05

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Solution

The fourth proportional to 67,089.82, 92,584.89 and 36,878.05 is: 50,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,089.82 : 92,584.89 = 36,878.05 : x
  2. Step 2: Convert to fraction form
    67,089.82/92,584.89 = 36,878.05/x
  3. Step 3: Cross multiply
    67,089.82x = 92,584.89 × 36,878.05
  4. Step 4: Simplify right side
    67,089.82x = 3,414,350,202.66
  5. Step 5: Solve for x
    x = 3,414,350,202.66/67,089.82
  6. Step 6: Final answer
    x = 50,892.22

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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.