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Finding the Fourth Proportional to 33,297.12, 45,949.92 and 18,393.12

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Solution

The fourth proportional to 33,297.12, 45,949.92 and 18,393.12 is: 25,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.12 : 45,949.92 = 18,393.12 : x
  2. Step 2: Convert to fraction form
    33,297.12/45,949.92 = 18,393.12/x
  3. Step 3: Cross multiply
    33,297.12x = 45,949.92 × 18,393.12
  4. Step 4: Simplify right side
    33,297.12x = 845,162,392.55
  5. Step 5: Solve for x
    x = 845,162,392.55/33,297.12
  6. Step 6: Final answer
    x = 25,382.45

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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.