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Finding the Fourth Proportional to 5,324, 7,986 and 1,676

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Solution

The fourth proportional to 5,324, 7,986 and 1,676 is: 2,514

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324 : 7,986 = 1,676 : x
  2. Step 2: Convert to fraction form
    5,324/7,986 = 1,676/x
  3. Step 3: Cross multiply
    5,324x = 7,986 × 1,676
  4. Step 4: Simplify right side
    5,324x = 13,384,536
  5. Step 5: Solve for x
    x = 13,384,536/5,324
  6. Step 6: Final answer
    x = 2,514

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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.