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Finding the Fourth Proportional to 33,864, 46,721.52 and 21,936.48

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Solution

The fourth proportional to 33,864, 46,721.52 and 21,936.48 is: 30,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,864 : 46,721.52 = 21,936.48 : x
  2. Step 2: Convert to fraction form
    33,864/46,721.52 = 21,936.48/x
  3. Step 3: Cross multiply
    33,864x = 46,721.52 × 21,936.48
  4. Step 4: Simplify right side
    33,864x = 1,024,905,689.05
  5. Step 5: Solve for x
    x = 1,024,905,689.05/33,864
  6. Step 6: Final answer
    x = 30,265.35

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1.5x scale

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.