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Finding the Fourth Proportional to 67,379.77, 92,986.32 and 36,754.54

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Solution

The fourth proportional to 67,379.77, 92,986.32 and 36,754.54 is: 50,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,379.77 : 92,986.32 = 36,754.54 : x
  2. Step 2: Convert to fraction form
    67,379.77/92,986.32 = 36,754.54/x
  3. Step 3: Cross multiply
    67,379.77x = 92,986.32 × 36,754.54
  4. Step 4: Simplify right side
    67,379.77x = 3,417,669,417.89
  5. Step 5: Solve for x
    x = 3,417,669,417.89/67,379.77
  6. Step 6: Final answer
    x = 50,722.49

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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.