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Finding the Fourth Proportional to 33,188.48, 45,799.20 and 18,284.48

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Solution

The fourth proportional to 33,188.48, 45,799.20 and 18,284.48 is: 25,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.48 : 45,799.20 = 18,284.48 : x
  2. Step 2: Convert to fraction form
    33,188.48/45,799.20 = 18,284.48/x
  3. Step 3: Cross multiply
    33,188.48x = 45,799.20 × 18,284.48
  4. Step 4: Simplify right side
    33,188.48x = 837,414,556.42
  5. Step 5: Solve for x
    x = 837,414,556.42/33,188.48
  6. Step 6: Final answer
    x = 25,232.09

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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.