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Finding the Fourth Proportional to 33,921, 46,810.98 and 19,017

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Solution

The fourth proportional to 33,921, 46,810.98 and 19,017 is: 26,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,921 : 46,810.98 = 19,017 : x
  2. Step 2: Convert to fraction form
    33,921/46,810.98 = 19,017/x
  3. Step 3: Cross multiply
    33,921x = 46,810.98 × 19,017
  4. Step 4: Simplify right side
    33,921x = 890,204,406.66
  5. Step 5: Solve for x
    x = 890,204,406.66/33,921
  6. Step 6: Final answer
    x = 26,243.46

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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.