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Finding the Fourth Proportional to 19,756, 29,634 and 5,164

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Solution

The fourth proportional to 19,756, 29,634 and 5,164 is: 7,746

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756 : 29,634 = 5,164 : x
  2. Step 2: Convert to fraction form
    19,756/29,634 = 5,164/x
  3. Step 3: Cross multiply
    19,756x = 29,634 × 5,164
  4. Step 4: Simplify right side
    19,756x = 153,029,976
  5. Step 5: Solve for x
    x = 153,029,976/19,756
  6. Step 6: Final answer
    x = 7,746

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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.