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Finding the Fourth Proportional to 33,270.08, 45,912.72 and 18,366.08

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Solution

The fourth proportional to 33,270.08, 45,912.72 and 18,366.08 is: 25,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.08 : 45,912.72 = 18,366.08 : x
  2. Step 2: Convert to fraction form
    33,270.08/45,912.72 = 18,366.08/x
  3. Step 3: Cross multiply
    33,270.08x = 45,912.72 × 18,366.08
  4. Step 4: Simplify right side
    33,270.08x = 843,236,688.54
  5. Step 5: Solve for x
    x = 843,236,688.54/33,270.08
  6. Step 6: Final answer
    x = 25,345.20

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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.