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Finding the Fourth Proportional to 33,329, 45,994.56 and 18,425

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Solution

The fourth proportional to 33,329, 45,994.56 and 18,425 is: 25,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,329 : 45,994.56 = 18,425 : x
  2. Step 2: Convert to fraction form
    33,329/45,994.56 = 18,425/x
  3. Step 3: Cross multiply
    33,329x = 45,994.56 × 18,425
  4. Step 4: Simplify right side
    33,329x = 847,449,768
  5. Step 5: Solve for x
    x = 847,449,768/33,329
  6. Step 6: Final answer
    x = 25,426.80

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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.