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Finding the Fourth Proportional to 52,874.61, 79,286.81 and 30,694.79

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Solution

The fourth proportional to 52,874.61, 79,286.81 and 30,694.79 is: 46,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.61 : 79,286.81 = 30,694.79 : x
  2. Step 2: Convert to fraction form
    52,874.61/79,286.81 = 30,694.79/x
  3. Step 3: Cross multiply
    52,874.61x = 79,286.81 × 30,694.79
  4. Step 4: Simplify right side
    52,874.61x = 2,433,691,432.81
  5. Step 5: Solve for x
    x = 2,433,691,432.81/52,874.61
  6. Step 6: Final answer
    x = 46,027.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.