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Finding the Fourth Proportional to 52,764, 79,146 and 15,828

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Solution

The fourth proportional to 52,764, 79,146 and 15,828 is: 23,742

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764 : 79,146 = 15,828 : x
  2. Step 2: Convert to fraction form
    52,764/79,146 = 15,828/x
  3. Step 3: Cross multiply
    52,764x = 79,146 × 15,828
  4. Step 4: Simplify right side
    52,764x = 1,252,722,888
  5. Step 5: Solve for x
    x = 1,252,722,888/52,764
  6. Step 6: Final answer
    x = 23,742

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