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Finding the Fourth Proportional to 67,066, 92,553.06 and 36,853.20

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Solution

The fourth proportional to 67,066, 92,553.06 and 36,853.20 is: 50,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066 : 92,553.06 = 36,853.20 : x
  2. Step 2: Convert to fraction form
    67,066/92,553.06 = 36,853.20/x
  3. Step 3: Cross multiply
    67,066x = 92,553.06 × 36,853.20
  4. Step 4: Simplify right side
    67,066x = 3,410,876,430.79
  5. Step 5: Solve for x
    x = 3,410,876,430.79/67,066
  6. Step 6: Final answer
    x = 50,858.50

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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.