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Finding the Fourth Proportional to 33,055.76, 45,616.92 and 18,151.76

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Solution

The fourth proportional to 33,055.76, 45,616.92 and 18,151.76 is: 25,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,055.76 : 45,616.92 = 18,151.76 : x
  2. Step 2: Convert to fraction form
    33,055.76/45,616.92 = 18,151.76/x
  3. Step 3: Cross multiply
    33,055.76x = 45,616.92 × 18,151.76
  4. Step 4: Simplify right side
    33,055.76x = 828,027,383.78
  5. Step 5: Solve for x
    x = 828,027,383.78/33,055.76
  6. Step 6: Final answer
    x = 25,049.41

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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.