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Finding the Fourth Proportional to 52,754, 79,131 and 15,818

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Solution

The fourth proportional to 52,754, 79,131 and 15,818 is: 23,727

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754 : 79,131 = 15,818 : x
  2. Step 2: Convert to fraction form
    52,754/79,131 = 15,818/x
  3. Step 3: Cross multiply
    52,754x = 79,131 × 15,818
  4. Step 4: Simplify right side
    52,754x = 1,251,694,158
  5. Step 5: Solve for x
    x = 1,251,694,158/52,754
  6. Step 6: Final answer
    x = 23,727

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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.