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Finding the Fourth Proportional to 33,388, 46,076.96 and 18,484

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Solution

The fourth proportional to 33,388, 46,076.96 and 18,484 is: 25,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,388 : 46,076.96 = 18,484 : x
  2. Step 2: Convert to fraction form
    33,388/46,076.96 = 18,484/x
  3. Step 3: Cross multiply
    33,388x = 46,076.96 × 18,484
  4. Step 4: Simplify right side
    33,388x = 851,686,528.64
  5. Step 5: Solve for x
    x = 851,686,528.64/33,388
  6. Step 6: Final answer
    x = 25,508.76

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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.