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Finding the Fourth Proportional to 52,892, 79,340.16 and 15,956

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Solution

The fourth proportional to 52,892, 79,340.16 and 15,956 is: 23,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,892 : 79,340.16 = 15,956 : x
  2. Step 2: Convert to fraction form
    52,892/79,340.16 = 15,956/x
  3. Step 3: Cross multiply
    52,892x = 79,340.16 × 15,956
  4. Step 4: Simplify right side
    52,892x = 1,265,951,592.96
  5. Step 5: Solve for x
    x = 1,265,951,592.96/52,892
  6. Step 6: Final answer
    x = 23,934.65

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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.