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Finding the Fourth Proportional to 26,592, 36,684 and 21,293.52

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Solution

The fourth proportional to 26,592, 36,684 and 21,293.52 is: 29,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,592 : 36,684 = 21,293.52 : x
  2. Step 2: Convert to fraction form
    26,592/36,684 = 21,293.52/x
  3. Step 3: Cross multiply
    26,592x = 36,684 × 21,293.52
  4. Step 4: Simplify right side
    26,592x = 781,131,487.68
  5. Step 5: Solve for x
    x = 781,131,487.68/26,592
  6. Step 6: Final answer
    x = 29,374.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.