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Finding the Fourth Proportional to 33,629, 46,411.26 and 18,725

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Solution

The fourth proportional to 33,629, 46,411.26 and 18,725 is: 25,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,629 : 46,411.26 = 18,725 : x
  2. Step 2: Convert to fraction form
    33,629/46,411.26 = 18,725/x
  3. Step 3: Cross multiply
    33,629x = 46,411.26 × 18,725
  4. Step 4: Simplify right side
    33,629x = 869,050,843.50
  5. Step 5: Solve for x
    x = 869,050,843.50/33,629
  6. Step 6: Final answer
    x = 25,842.30

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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.