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Finding the Fourth Proportional to 33,524, 46,264.56 and 18,620

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Solution

The fourth proportional to 33,524, 46,264.56 and 18,620 is: 25,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,524 : 46,264.56 = 18,620 : x
  2. Step 2: Convert to fraction form
    33,524/46,264.56 = 18,620/x
  3. Step 3: Cross multiply
    33,524x = 46,264.56 × 18,620
  4. Step 4: Simplify right side
    33,524x = 861,446,107.20
  5. Step 5: Solve for x
    x = 861,446,107.20/33,524
  6. Step 6: Final answer
    x = 25,696.40

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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.