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Finding the Fourth Proportional to 67,079.87, 92,565.73 and 36,864.54

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Solution

The fourth proportional to 67,079.87, 92,565.73 and 36,864.54 is: 50,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.87 : 92,565.73 = 36,864.54 : x
  2. Step 2: Convert to fraction form
    67,079.87/92,565.73 = 36,864.54/x
  3. Step 3: Cross multiply
    67,079.87x = 92,565.73 × 36,864.54
  4. Step 4: Simplify right side
    67,079.87x = 3,412,392,409.06
  5. Step 5: Solve for x
    x = 3,412,392,409.06/67,079.87
  6. Step 6: Final answer
    x = 50,870.59

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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.