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Finding the Fourth Proportional to 33,304, 45,962.88 and 18,400

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Solution

The fourth proportional to 33,304, 45,962.88 and 18,400 is: 25,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,304 : 45,962.88 = 18,400 : x
  2. Step 2: Convert to fraction form
    33,304/45,962.88 = 18,400/x
  3. Step 3: Cross multiply
    33,304x = 45,962.88 × 18,400
  4. Step 4: Simplify right side
    33,304x = 845,716,992
  5. Step 5: Solve for x
    x = 845,716,992/33,304
  6. Step 6: Final answer
    x = 25,393.86

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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.